Cabo San Antonio Lighthouse
| Location | Cabo San Antonio Cuba |
|---|---|
| Coordinates | 21°52′02.5″N 84°57′04.5″W / 21.867361°N 84.951250°W |
| Tower | |
| Constructed | 1850 |
| Construction | masonry tower |
| Height | 23 metres (75 ft) |
| Shape | cylindrical tower with balcony and lantern |
| Markings | white tower, grey metallic lantern |
| Power source | mains electricity |
| Light | |
| Focal height | 31 metres (102 ft) |
| Range | 22 nautical miles (41 km; 25 mi) |
| Characteristic | Fl(2) W 10s |
| Cuba no. | CU-0001 |
Cabo San Antonio Lighthouse is a Cuban lighthouse located in Sandino, a municipality of Pinar del Río Province. It lies in Cape San Antonio, on Guanahacabibes Peninsula, the westernmost point of Cuba.
According to the International Hydrographic Organization, the line between the lighthouse at Cabo Catoche on the north tip of the Yucatán Peninsula in Mexico and the Cabo San Antonio Lighthouse marks the division between the Caribbean Sea to the south and Gulf of Mexico to the north.