Boca Chita Key is the island north of the upper Florida Keys in Biscayne National Park, Miami-Dade County, Florida. The key is located in Biscayne Bay, just north of Sands Key. An ornamental 65-foot lighthouse is present on the key. The harbor has a bulkhead with cleats where boats may be tied. There is a campground with picnic tables and salt water toilets. Fresh water and electricity are not available on the island.