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Private Beach Retreat! Luxurious Bedding, Relaxing Pool, Best Sunsets, Fast WiFi

Enjoy the free WiFi at this beachfront Key Colony Beach condos

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On the beach, sun loungers, beach towels
Exterior
Outdoor dining
2 bedrooms, iron/ironing board, free WiFi, bed sheets
Smart TV, DVD player, books, printers

Reviews

10 out of 10
Exceptional

Entire condo

2 bedrooms2 bathroomsSleeps 492 sq m

Popular amenities

  • Kitchen
  • Washer
  • Dryer
  • Free WiFi

Explore the area

View in a map
Key Colony Beach, FL
  • Place, Sunset Park Beach
    ‪1 min walk‬
  • Place, Great White Heron National Wildlife Refuge
    ‪10 min walk‬
  • Place, Sombrero Beach
    ‪14 min drive‬
  • Airport, Marathon, FL (MTH-Florida Keys Marathon)
    ‪8 min drive‬

Room options

About the area

Key Colony Beach

On the beach.With a stay at this Key Colony Beach condo, you'll be steps from Sunset Park Beach and within a 10-minute walk of Coco Plum Beach. Marathon Visitor Center and Curry Hammock State Park are also within 2 miles (3 km).
View more Condo rentals in Key Colony BeachOpens in a new window

What's nearby

  • Sunset Park Beach - 1 min walk - 0.2 km
  • Great White Heron National Wildlife Refuge - 10 min walk - 0.9 km
  • Coco Plum Beach - 9 min drive - 6.3 km
  • Vaca Key - 14 min drive - 15.5 km
  • Sombrero Beach - 14 min drive - 14.9 km

Getting around

  • Marathon, FL (MTH-Florida Keys Marathon) - 7 min drive

Restaurants

  • ‪Brass Monkey - ‬10 min drive
  • ‪McDonald's - ‬10 min drive
  • ‪Circle K - ‬6 min drive
  • ‪The Island Fish Company - ‬4 min drive
  • ‪Wendy's - ‬10 min drive

About this property

Entire place

You'll have the entire condo to yourself and will only share it with other guests in your party.

Private Beach Retreat! Luxurious Bedding, Relaxing Pool, Best Sunsets, Fast WiFi

Welcome to Thirty Three by The Sea - A Modern Condo in the Florida Keys!

🏝 Tropical Paradise: Dive into the magic of Key Colony Beach, where private sands and a heated pool await your relaxation. It's the perfect family-friendly destination with something for everyone!

🌅 Breathtaking Views: Our updated 2-bedroom, 2-bathroom condo promises a modern, comfortable, and picturesque stay. Wake up to stunning views and cherish both sunrise and sunset from our two spacious balconies.

🛏️ Master Bedroom: Rest peacefully on a King Size Bed, with an attached bathroom, a flatscreen TV, phone charging stations, and even white noise machines for a peaceful night's rest, plus your own balcony to savor private moments.

🛏️ Guest Bedroom: Choose between a cozy Queen bed and a Twin bed, with a separate full bathroom, phone charging stations, white noise machines, and a Smart TV for entertainment.

🍽 Modern Kitchen: The kitchen is fully equipped with modern amenities and cooking supplies, perfect for preparing everything from quick bites to gourmet meals.

🛋 Living Room: Unwind on comfy sofas and catch your favorite shows on the 55” Smart TV. Step onto the balcony to bask in the glow of a Florida Keys sunset.

🌐 Stay Connected: Stay connected with high-speed password protected Wi-Fi.

🌞 Year-round Bliss: Experience paradise year-round with delightful weather, including December and January with temperatures that set Key Colony Beach apart.

🌴 Resort-style Amenities: Our freshly landscaped complex offers more than just a heated pool. You'll find a tiki hut, gas grills, shuffleboard, and comfy lounge chairs. And, of course, the stunning sandy beach is just steps away.

🌆 Charming Third-floor Unit: Please note that there's no elevator, but the breathtaking ocean views and resort-style atmosphere make the experience more than worth it.

🐟 Endless Activities: Nearby, the options are endless. Engage in family-friendly activities like fishing charters, snorkeling, and visits to the Florida Keys Aquarium Encounters and the Dolphin Research Center. Explore parks and beaches, indulge in shopping, and dine at fantastic restaurants like Sparkys Landing, Island Fish Company, and Marathon Bagel.

🌅 Sunset Park: A 2-minute walk away, Sunset Park offers a perfect spot for breathtaking sunsets and tranquil waterfront moments.

🐢 Explore the Surroundings: Just outside Marathon Florida, discover the famous Sea Turtle Hospital, Coral Reefs, and the iconic 7 Mile Bridge. We’re conveniently situated between Key West and Islamorada, giving you endless options for vacation adventures.

⛳ Recreation Galore: If you’re up for some games, enjoy a 3-hole golf course, pickle ball, and bocce and tennis courts all located just up the street.

Discover your slice of paradise at Thirty Three by The Sea.
Book now for an unforgettable Florida Keys getaway!

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Property amenities

Beach

  • On the beach
  • Beach loungers
  • Beach towels

Pool/Spa

  • Heated pool

Internet

  • Available in the condo: Free WiFi

Parking and transportation

  • Parking on site

Kitchen

  • Blender
  • Coffee/tea maker
  • Cookware, dishware, and utensils
  • Dishwasher
  • Electric kettle
  • Ice maker
  • Kitchen island
  • Microwave
  • Oven
  • Paper towels
  • Refrigerator
  • Spices
  • Stovetop
  • Toaster
  • Water dispenser

Dining

  • Dining table

Bedrooms

  • 2 bedrooms
  • Bedsheets provided

Bathroom

  • 2 bathrooms
  • Bathtub or shower
  • Hair dryer
  • Shampoo
  • Soap
  • Toilet paper
  • Towels provided

Living spaces

  • Dining table
  • Living room

Entertainment

  • Books
  • DVD player
  • Games
  • Smart TV with cable/satellite channels

Outdoor areas

  • Balcony
  • Gas grill
  • Outdoor furniture

Laundry

  • Laundry facilities
  • Washing machine

Work spaces

  • Printer

Comfort

  • Air conditioning

Pets

  • No pets allowed

Suitability/Accessibility

  • If you have requests for specific accessibility needs, please contact the property using the information on the reservation confirmation received after booking.
  • Area rugs in public areas
  • Handrails in stairways
  • Tile flooring in public areas
  • Upper floors accessible by stairs only
  • Visual alarms in hallways
  • Well-lit path to entrance
  • Smoking not allowed

Services and conveniences

  • Iron/ironing board

Location highlights

  • Near a hospital
  • Near the marina
  • Near the ocean

Things to do

  • Bicycle parking
  • Gym
  • Heated pool
  • Birdwatching nearby
  • Cycling nearby
  • Ecotours nearby
  • Fishing nearby
  • Golfing nearby
  • Kayaking nearby
  • Motor boating nearby
  • Scuba diving nearby
  • Snorkeling nearby
  • Swimming nearby
  • Wildlife walks nearby

Safety features

  • Carbon monoxide detector (host has indicated there is a carbon monoxide detector on the property)
  • Smoke detector (host has indicated there is a smoke detector on the property)

General

  • Bicycle parking
  • Energy-saving switches used
  • Humane treatment of captive wild animals
  • Local artist showcase
  • Locally sourced food prioritized
  • Locally-owned and organized tours and activities
  • Recycling
  • Reusable coffee/tea filters
  • Some LED lighting used
  • Unit size: 990 square feet
  • Vegan dining options
  • Vegetarian dining options
  • Water dispenser
  • Water-efficient showers
  • Water-efficient toilets

Policies

Check-in

Check-in time starts at 4:00 PM
Minimum check-in age: 25

Check-out

Check-out before 10:00 AM

Special check-in instructions

You will receive an email from the host with check-in and check-out instructions
Information provided by the property may be translated using automated translation tools

Check-out instructions

The host requires you complete the following before checking out:
Gather used towels
Remove personal items, remove leftover food and drinks, and take out the trash
Turn off the lights, lock the doors, and return the keys
Failure to complete these may result in a negative review from the host.

Pets

  • No pets allowed

Children and extra beds

  • Children are welcome.

Events

No events allowed

Smoking

Smoking is not permitted

Important information

You need to know

Extra-person charges may apply and vary depending on property policy
Government-issued photo identification and a credit card, debit card, or cash deposit may be required at check-in for incidental charges
Special requests are subject to availability upon check-in and may incur additional charges; special requests cannot be guaranteed
Onsite parties or group events are strictly prohibited
Host has indicated there is a carbon monoxide detector on the property
Host has indicated there is a smoke detector on the property
This property has outdoor spaces, such as balconies, patios, terraces which may not be suitable for children; if you have concerns, we recommend contacting the property prior to your arrival to confirm they can accommodate you in a suitable room
This property is managed through our partner, Vrbo. You will receive an email from Vrbo with a link to a Vrbo account, where you can change or cancel your reservation
Charges for extra guests may apply and vary according to property policy.
A cash deposit, credit card, or debit card for incidental charges and government-issued photo identification may be required upon check-in.
Special requests are subject to availability at the time of check-in. Special requests can't be guaranteed and may incur additional charges.
    This property is managed by a private host, not a professional engaged in trade or business. This property has outdoor spaces, such as balconies, patios, terraces which may not be suitable for children. If you have concerns, we recommend contacting the property prior to your arrival to confirm they can accommodate you in a suitable room. Onsite parties or group events are strictly prohibited. For guests' safety, the property includes a carbon monoxide detector and a smoke detector in each accommodation.

Frequently asked questions

How close is Private Beach Retreat! Luxurious Bedding, Relaxing Pool, Best Sunsets, Fast WiFi to the airport?

This condo is 3.3 mi (7-min drive) away from the Marathon, FL (MTH-Florida Keys Marathon) airport, the closest popular airport to the property.

Does Private Beach Retreat! Luxurious Bedding, Relaxing Pool, Best Sunsets, Fast WiFi have an airport shuttle?

Airport shuttle services are not available at this condo.

How close is Private Beach Retreat! Luxurious Bedding, Relaxing Pool, Best Sunsets, Fast WiFi to the beach?

This condo is on the beach. Don't forget your sunscreen!

Does Private Beach Retreat! Luxurious Bedding, Relaxing Pool, Best Sunsets, Fast WiFi offer free breakfast?

This condo does not offer free breakfast.

Is there a casino at Private Beach Retreat! Luxurious Bedding, Relaxing Pool, Best Sunsets, Fast WiFi?

No, there is no casino at this condo.

What time is check-in at Private Beach Retreat! Luxurious Bedding, Relaxing Pool, Best Sunsets, Fast WiFi?

Check-in begins at 4:00 PM.

Is there free parking at Private Beach Retreat! Luxurious Bedding, Relaxing Pool, Best Sunsets, Fast WiFi?

Free parking is not available at this condo.

Does Private Beach Retreat! Luxurious Bedding, Relaxing Pool, Best Sunsets, Fast WiFi have a pool?

Yes, there's a heated pool.

Does Private Beach Retreat! Luxurious Bedding, Relaxing Pool, Best Sunsets, Fast WiFi have a spa?

There are no spa services available at this condo.

How close is Private Beach Retreat! Luxurious Bedding, Relaxing Pool, Best Sunsets, Fast WiFi to downtown Key Colony Beach?

This condo is 0.4 mi away from Key Colony Beach.

Private Beach Retreat! Luxurious Bedding, Relaxing Pool, Best Sunsets, Fast WiFi Reviews

Reviews

10

Exceptional

Rating 10 - Excellent. 88 out of 90 reviews
Rating 8 - Good. 1 out of 90 reviews
Rating 6 - Okay. 1 out of 90 reviews
Rating 4 - Poor. 0 out of 90 reviews
Rating 2 - Terrible. 0 out of 90 reviews

10/10

Cleanliness

Reviews

Verified

10/10 Excellent

Sue S.

Liked: Cleanliness, check-in, communication, location, listing accuracy
The beach and the warm water pool were truly a delight. The condo was very comfortable and clean and close to many nice restaurants and things to do… excellent stay!Thank you for sharing your wonderful place with us.
Stayed 10 nights in Feb 2026
Verified

10/10 Excellent

Christine K.

Liked: Cleanliness, check-in, communication, location, listing accuracy

Fantastic location for scuba diving trips!

The location was perfectly central for my son’ and husbands’ scuba trips!
Stayed 7 nights in Jul 2023
Verified

10/10 Excellent

Susan P.

Liked: Cleanliness, check-in, communication, location, listing accuracy

Wonderful vacation spot

We are glad we stayed for a 3rd week. It was a very relaxing vacation.
Stayed 7 nights in Apr 2023
Verified

10/10 Excellent

Robin S.

Liked: Cleanliness, check-in, communication, location, listing accuracy

Great condo and location!

We had a wonderful stay at Thirty Three By the Sea! The condo had everything we needed, was spotless and the property has every amenity you could want.
Stayed 7 nights in Dec 2023
Verified

10/10 Excellent

Jennifer D.

Liked: Cleanliness, check-in, communication, location, listing accuracy

Quiet condo at Key Colony

We live the Key Colony area for the quiet, cleanliness, and secure area. Everything is well kept and the staff were friendly and helpful. The pool was wonderful and the beach is very nice (yes, there is the seaweed but no one can control this at any beach in the Keys). They did so well keeping the sand clear. The condo was very clean and well equipped. We love the Marathon area since it is mostly half way to Key West and many restaurants in the area to choose from.
Stayed 8 nights in Jul 2025
Verified

10/10 Excellent

Brandon B.

Liked: Cleanliness, check-in, communication, location, listing accuracy

Nice quiet property. Would stay here again. Very clean !!!

Nice quiet property. Grass area at beach was very nice. You could sit under palm trees and watch all the boats come by. The room was very clean.
Stayed 7 nights in Jul 2023
Verified

10/10 Excellent

Anthony W.

Liked: Cleanliness, check-in, communication, location, listing accuracy

Couldn’t ask for more.

Great location, quiet and clean. Attention to detail was fantastic and they had all the extras you could ask for. Fully stocked kitchen, beach chairs, towels…everything was thought of.
Stayed 7 nights in Jun 2023
Verified

10/10 Excellent

Ginger P.

Liked: Cleanliness, check-in, communication, location, listing accuracy

Teen Fun in July

This place is a gem! The cleanliness, the homey feel, and the amenities were all perfect for our family. We loved the pool and beach, along with our location in the Keys. 10 out of 10 for us!
Stayed 7 nights in Jul 2023
Verified

10/10 Excellent

Mike L.

Liked: Cleanliness, check-in, communication, location, listing accuracy

Beautiful Unit

Very nicely decorated and furnished. Great location and neighborhood. Only suggestion for the owner would be to upgrade the TV cable to HD (only SD provided). Otherwise, highly recommended!
Stayed 7 nights in Apr 2023
Verified

10/10 Excellent

Bypass20

Liked: Cleanliness, check-in, communication, location, listing accuracy

33 by the sea was great!

Our stay at 33 by the sea was great! The room layout was perfect for our family as it allowed the kids their space and us some privacy. Very clean with everything that a family can need provided from dishes to towels and laundry. The pool and private beach were very nice. Prime location made it very easy to key hop to the upper and lower keys. Close to grocery shopping, restaurants, several activities and attractions. One of the highlights of 33 by the sea was sunset park which is 2 minutes walking distance. We've traveled all over the world and the sunsets there were top tier. We accidentally left some clothes and the owners shipped them to us. Definitely recommend choosing 33 by the sea.
Stayed 7 nights in Jul 2024
Verified

10/10 Excellent

Susan P.

Liked: Cleanliness, check-in, communication, location, listing accuracy

Wonderful vacation spot

The condo is exactly as described and photos are also accurate. Having a great time! When we initially booked the condo for 2 weeks we checked to see if the condo was available for a 3rd week and when we found out it was we booked for a 3rd week. Our initial 2 weeks are over but we are very happy we have 1 more week to enjoy. Very nice, clean condo. Close to beaches and great pool. The 3rd floor steps take a bit getting used to. One negative is that the dryer on our floor doesn't work and while a new dryer has been on order we've had to use the dryers on the 2nd and 1st floor. All in all it's a great place to stay!
Stayed 14 nights in Mar 2023
Verified

10/10 Excellent

Kate T.

Liked: Cleanliness, check-in, communication, location, listing accuracy

Just perfect

This was our first time in the Keys, and after trying to decide if we should move around a couple of times, I just booked this place for the whole week. Couldn't have been better. The apartment was absolutely spotless, tastefully decorated, and very comfortable. We enjoyed the little beach (others have said it's too small - I mean, it's 25 steps away! what do you want!), the pool, and walking over to Sunset Park for sunset. Easy trips to Sombrero Beach, Bahia Honda, Key West, and Islamorada - and also a couple days of not leaving the property at all. Slept so well I asked about the mattress - better than ours at home! Heed others' reviews about bringing quarters - $2 to wash, $2 to dry. Then you don't have to waste time chasing down quarters (though you can get them from the office during business hours).
Stayed 7 nights in Jan 2023
Verified

10/10 Excellent

JB P.

Liked: Cleanliness, check-in, communication, location, listing accuracy

Perfect perfect perfect!

If you are reading all these, you are narrowing down your search. Let me help you - this is it! The perfect mix of pool, beach, perfect lodging, and location. We took two 13-year old girls and stayed in Marathon as our center spot. We flew to FL and then we drove down from Miami and got in around 5pm after stopping at the Publix for groceries. Breakfast and lunch at the condo and dinner out each night. The pool was perfect and never busy - lots of chairs, even during spring break time. The beach also had plenty of chairs and umbrellas and lots of room. We fished from shore at the condo and caught several small fish and grunts, also saw rays and other creatures from the water. The condo is perfectly decorated and was great for the 4 of us. Marathon is the perfect center location for stuff to do, the Bahia Honda State Park, food, turtle hospital, and Key West (90 minutes south). We have ZERO complaints or suggestions for the condo itself - just perfect. Check in/out was easy with the key pad. Bring some quarters for laundry but that was very easy to do. Go to Sunset Park at night (VERY short walk). We loved Island Fish Co. and Sparkys (grilled the fish we caught). Stopped at Robbys on the way down which was super fun in Islamorada. Buy a key lime pie or two for your freezer at night. We will return, and will definitely stay here again. Thank you!
Stayed 7 nights in Mar 2025
Verified

10/10 Excellent

Marina D.

Liked: Cleanliness, check-in, communication, location, listing accuracy

Comfortable Relaxing and Quiet

Before we left Boston, we received a text from the host saying that there were wildfires in and around Miami warning us that the highway to Key West had significant delays. Luckily, we flew into Key West. That was very thoughtful to reach out and tell us. (BTW, watch for police when you leave the Key West airport - we got tagged). When we arrived at the condo, there was a welcome gift bag. That set the warm and friendly tone for our entire stay. The condo was clean, comfortable and the linens were new and soft - great pillows. The kitchen had everything that we needed. Even extras that most VRBOs don't offer like dish detergent, food wrap. They have a drying rack for towels, beach chairs, coolers, games, etc. The beach was amazing. It's raked every morning so there was no seaweed. The pool was quiet and never busy. The beach and pool are really only steps away. Even my hubby could do it with arthritic feet. There is a washer and dryer outside the condo door. They both take 2.00 in quarters. Not a huge drawback. Just come prepared. It's close to grocery and souvenir shopping. We golfed at Florida Keys Golf Course - not awesome course but so friendly. Went to Bahia Honda, don't waste the time. The beach here is 1,000 times better. We swam with the dolphins and Sea Lions - that's a must do. Of course, walk to the sunset. If I ever come back to the Keys I would stay here and I even might come back just to stay here. Very highly recommended!
Stayed 7 nights in Mar 2025
Verified

10/10 Excellent

Tom R.

Liked: Cleanliness, check-in, communication, location, listing accuracy

Great Location in the Middle Keys

My wife and I quite enjoyed this accommodation, our fist time to the keys. The condo was spotless, airy and bright and had obviously seen some upgrades from the original fixtures (it's a 70's era building). The condo buildings and grounds are all kept and maintained. The beach is small but sandy and clean, we spent a fair bit of time lounging on the lawn and using the beach, although there wan't much natural shade (it was 88 degrees). Location is great - you are within easy driving distance of both ends of the keys, as well as a couple of municipal beaches and Bahia Honda State park. Grocery shopping (Publix or Winn-Dixie) was 12 minutes away on Hwy 1, liquor store beside the Publix. The only thing we missed was the view from the balconies (they are not very deep, view is mostly parking lot or next building - but better than looking at snow). You can't help that when you're the 3rd building from the beach.
Stayed 7 nights in Nov 2022
Verified

10/10 Excellent

margaret B.

Liked: Cleanliness, check-in, communication, location, listing accuracy

key colony marathon

this beautifully decorated condo is a very clean, comfortable and well equipped unit. everything was as expected (we were given prior notice of the beach damage by the recent storm) the pool was sparkling clean!
Stayed 7 nights in Oct 2022
Verified

10/10 Excellent

Andrew R.

Liked: Cleanliness, check-in, communication, location, listing accuracy

Amazing time

This was our second time at this property and it was definitely worth it. The area is extremely relaxed and just what we needed. The property is beautiful and extremely clean and well taken care of. The pool is perfect and the private beach is sublime. Highly recommend to anyone on the fence.
Stayed 7 nights in Jul 2022
Verified

10/10 Excellent

Kelli G.

Liked: Cleanliness, check-in, communication, location, listing accuracy

Perfect home base!

My husband and I stayed with our 2 teenage kids. The condo was a perfect size and close to so many different things. We were there for lobster mini season and had a great week. The condo was on the 3rd floor and always had an amazing breeze off of the master bedroom balcony. We walked in the morning/evenings up and down the neighboring streets. Felt very safe. Be sure to bring quarters for the coin laundry-it’s just right outside your door but very quiet.
Stayed 7 nights in Jul 2022
Verified

10/10 Excellent

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Liked: Cleanliness, check-in, communication, location, listing accuracy

Wonderful location

Our stay in Key Colony was perfect. This condo is in a quiet location, a clean property and right on a beach. The condo is very clean, kitchen has everything you will need and beautifully decorated. The beds were very comfortable and the AC works perfect! Just a very short walk to Sunset Park where we watched the sunset every night. We would highly recommend this condo.
Stayed 7 nights in Jul 2022
Verified

10/10 Excellent

Josh K.

Liked: Cleanliness, check-in, communication, location, listing accuracy

Wonderful place and location!

We had a great stay at Key Colony Beach. The space was just right for the 4 of us, had everything we needed, was really quiet, clean and close to everything we wanted to do. This is a gem of a place and location, we would absolutely stay here again!
Stayed 7 nights in Jun 2022
Verified

10/10 Excellent

janet h.

Liked: Cleanliness, check-in, communication, location, listing accuracy

Key Colony Gem

We have stayed at Sea Isle a number of times. This unit did not disappoint. Both balconies had a view of the water. The condo was well stocked making it feel like we were staying with friends and not in a rental unit. Overall we had a great stay!
Stayed 7 nights in Jun 2022
Verified

10/10 Excellent

Melissa H.

Liked: Cleanliness, check-in, communication, location, listing accuracy

Stay was amazing

Very clean and easy access to activities
Stayed 7 nights in May 2022
Verified

10/10 Excellent

Barbara N.

Liked: Cleanliness, check-in, communication, location, listing accuracy

Paradise

It was just a great experience. Loved everything
Stayed 7 nights in May 2022
Verified

10/10 Excellent

Pat M.

Liked: Cleanliness, check-in, communication, location, listing accuracy

We truly enjoyed our time at this beautiful condo!

The condo had a fully stocked kitchen and bathrooms with almost everything you would need. The pool was great and the beach was raked everyday. The only thing for us who are seniors was the fact it was on the third floor and no elevator.
Stayed 7 nights in Apr 2022
Verified

10/10 Excellent

Liane L.

Liked: Cleanliness, check-in, communication, location, listing accuracy

Condo

We had a wonderful time and would definitely stay again. Condo was immaculate and was as described
Stayed 7 nights in Apr 2022