Boca Chita Key, Biscayne National Park's most popular island, offers a variety of facilities for visitors. A campground is available with barbecue grills and picnic tables. There are more barbecue grills and picnic table near the open-air pavilion on the south side of the harbor. Saltwater toilets are also provided at the campground, but there are no showers or sinks due to there being no electricity or freshwater on the island. Just east of the restrooms is a short hiking trail, only half of a mile long. The trail winds its way to the southern end of Boca Chita Key, and then curves back to towards the north. The trail emerges near the picnic area and pavilion.
The highlight of Boca Chita Key is its 65-foot ornamental lighthouse, which is the de facto symbol of Biscayne National Park. The lighthouse was built by one of the former owners of the island, Mark Honeywell, in the 1930's. It's open intermittently whenever park volunteers or staff are on the island. The observation deck of the lighthouse offers a spectacular view of the bay, islands, and ocean. Visitors can also get a glimpse of the Miami Beach, Key Biscayne, and Miami skylines.