How to reach:
To reach the tidal bench marks from the Florida Turnpike overpass of U.S. Highway 1 in Florida City, proceed north on U.S. Highway 1 for 1.0 km (0.6 mi) to Lucy Street, then east on Lucy Street for 14.2 km (8.8 mi) to the Biscayne National Park boat ramp. From there, proceed ENE by boat for 16.9 km (10.5 statute mi) to Boca Chita Key (also known as Ragged Key No. 5). The bench marks are in the vicinity of the boat basin. The tide gage and staff were SW of the boat basin near a stone wall.