Guests of DoubleTree by Hilton Grand Hotel Biscayne Bay have access to a marina, a full-service spa, and an outdoor pool. Valet parking is available for USD 30 per day, and there's also a cruise ship terminal shuttle. The 24-hour front desk has multilingual staff ready to assist with dry cleaning/laundry, tours or tickets, and luggage storage. Other amenities at this spa hotel include a gym, a sauna, and WiFi in public areas.