The water portion of Biscayne National Park is open 24 hours a day. Adams Key (accessible only by boat) is a day use area only.
Convoy Point, location of the park's headquarters and visitor center, is open daily from 7:00 a.m. to 5:30 p.m.
The Dante Fascell Visitor Center is open daily from 9:00 a.m. to 5:00 p.m.
The park's concessioner offers boat trips (including snorkeling, diving, and ranger-guided glass bottom and island tours), as well as canoe and kayak rentals and a gift shop with food and beverages. The concessioner is open Monday - Friday, from 8:30 - 4:30, and Saturday & Sunday from 8:00 - 5:00. Reservations are recommended for all boat trips - call 305-230-1100.