Rock Harbor is an unincorporated community in Monroe County, Florida, United States, located in the upper Florida Keys on Key Largo on US 1 (the Overseas Highway) northeast of Thompson and southwest of the census-designated place of Key Largo.

Rock Harbor is located at 25°04′37″N 80°27′36″W / 25.077°N 80.46°W / 25.077; -80.46 at an elevation of 10 feet (3 m), relatively high for the Keys.

• History of Rock Harbor
• History of Key Largo

25°04′37″N 80°27′36″W / 25.077°N 80.46°W / 25.077; -80.46