Cahuita National Park

Cahuita protects Costa Rica's largest fringing coral reef, a shallow labyrinth of brain coral, elkhorn, and sea fan wrapped around Punta Cahuita where the jungle meets the Caribbean without a single hotel tower in between. Snorkeling here means drifting over parrotfish, barracuda, spotted eagle rays, and the occasional nurse shark resting under a coral ledge, in water so calm and clear most mornings that a swim mask is all you need. Entry into the marine section is only with a licensed local guide certified by SINAC — a rule that keeps the reef breathing and puts income directly into the hands of the Afro-Caribbean community that has watched over this coastline for generations.

On land, the Kelly Creek trail runs flat and shaded for more than eight kilometers along the shoreline, and it may be the best free wildlife walk in the country: three-toed sloths doze in the sea grape branches, howler monkeys shake the canopy at dawn, and white-faced capuchins raid the ground in loose troops just meters from the sand. Finish in Cahuita town, where reggae and calypso drift out of open-air sodas, rice and beans simmer in coconut milk, and Playa Negra's volcanic black sand runs hot enough to make the ocean feel like relief.