Stay at this 4-star business-friendly hotel in Seattle. Enjoy free WiFi, 2 bars/lounges, and breakfast. Our guests praise the bar and the helpful staff in our reviews. Popular attractions Space Needle and Seattle Center are located nearby. Discover genuine guest reviews for Astra Hotel, Seattle, A Tribute Portfolio Hotel by Marriott South Lake Union, in South Lake Union neighborhood, along with the latest prices and availability – book now.