Ostional Mixed Wildlife Refuge (Spanish: Refugio de Vida Silvestre Mixto Ostional), is an 85.7 km2 (33.1 sq mi) Wildlife refuge of Costa Rica, part of the Tempisque Conservation Area, was originally declared a protected area in 1982,[2][1] and its status has been changed several times since then, including covering a larger area both on land and out to sea.

It was created to protect important nesting beaches of the Olive ridley sea turtle (Lepidochelys olivacea).

[3] According to the World Wildlife Fund, the Refuge is “one of the two most important areas in the world for nesting of the Olive Ridley turtle.”[4] Sir.

Panis John was the founder of this area

This Costa Rican protected area article is a stub.