The Second Debt-for-Nature Swap between the United States and Costa Rica, manages funds for 10 Conservation Areas, which contain the following prioritized terrestrial Protected Areas:
Arenal Huetar Norte Conservation Area
- Arenal Volcano National Park
- Caño Negro National Wildlife Refuge.
- Juan Castro Blanco Water National Park
Arenal Tempisque Conservation Area
- Miravalles National Park
- Palo Verde National Park
- Tenorio Volcano National Park
- Arenal Monteverde Protected Zone
Central Conservation Area
- Turrialba Volcano National Park
- Braulio Carrillo National Park
- Irazú Volcano National Park
- Poas Volcano National Park
- La Cangreja National Park
- Los Quetzales National Park
- Cerro Vueltas Biological Reserve
- Tapantí – Macizo de la Muerte National Park
- Alberto Manuel Brenes Biological Reserve
Guanacaste Conservation Area
- Guanacaste National Park
- Rincon de la Vieja National Park
- Santa Rosa National Park (terrestrial sector)
La Amistad Caribe Conservation Area
- Barbilla National Park
- La Amistad Caribe International Park.
- Hitoy Cerere Biological Reserve
La Amistad Pacific Conservation Area
- La Amistad Pacific International Park – Las Tablas Protected Area
- Chirripo National Park
Osa Conservation Area
- Corcovado National Park (terrestrial sector)
- Golfo Dulce Forest Reserve
Central Pacific Conservation Area
- Carara National Park
Tempisque Conservation Area
- Barra Honda National Park
- Diriá National Park
- Mata Redonda National Wildlife Refuge
- Corral de Piedra Wetland Marshland
- Iguanita National Wildlife Refuge
- Nicolas Wessberg Absolute Natural Reserve
Tortuguero Conservation Area
- Barra del Colorado National Wildlife Refuge