The park is open 24 hours a day year round, however some islands are closed to the public.
Garden Key is open year round 24 hours a day.
Ft. Jefferson, on Garden Key, is open year-round from sunrise to sunset.
Loggerhead Key is open to day visitors year round from sunrise to sunset.
Bush Key is seasonally closed during the sooty tern nesting season. It is usually open from mid-October to mid-January.
East Key, Middle Key, Hospital Key and Long Key are currently closed year round for nesting wildlife.
Florida Keys Eco-Discovery Center is open Tuesday-Saturday from 9 a.m. - 4 p.m.
Garden Key Visitor Center is open everyday from 8:30 a.m. - 4:30 p.m.