Along with a restaurant, there's a coffee shop/cafe on site. You can unwind with a drink at one of the 3 bars/lounges. Public spaces have free WiFi. The Siren Hotel, an Ash Hotel also features gift shops/newsstands, a garden, and coffee/tea in a common area. For a fee, parking is available. You'll have access to the indoor pool and health club at a partner property.
This 4-star Detroit hotel is smoke free.