San Lucas Island

San Lucas Island National Park
Parque Nacional Isla San Lucas
San Lucas as seen from the Gulf of Nicoya
San Lucas Island National Park area.
LocationCosta Rica
Coordinates9°56′20″N 84°54′22″W / 9.939°N 84.906°W / 9.939; -84.906
Area4.49 square kilometres (1.73 sq mi) (terrestrial), 9.95 square kilometres (3.84 sq mi) (marine)
Established24 August 2020
Governing bodyNational System of Conservation Areas (SINAC)
Location in Costa Rica

San Lucas Island National Park (Spanish: Parque Nacional Isla San Lucas) is an island located off the Pacific shore of Costa Rica in the Gulf of Nicoya. It is part of the Puntarenas district in the canton and province of the same name.

Formerly housing a brutal prison, now abandoned, the island was designated as a National Park in August 2020 by decree 9892 and managed under the Central Pacific Conservation Area.