Snorkeling and diving in Costa Rica

Catalinas, Bat Islands, Caño Island, Cahuita reef, Cocos Island liveaboards — by skill level.

Bat Islands bull shark diving: the definitive guide

Dive with bull sharks at Costa Rica's Bat Islands (Isla Murciélagos). Certifications, best season Jun-Sep, operators, and what to realistically expect.

Cahuita reef snorkeling: what to expect in 2026

Honest guide to snorkeling Cahuita National Park's coral reef: bleaching status, best operators, real prices $55-85, and what marine life to expect.

Caño Island snorkeling: the complete guide

Plan your Caño Island snorkel trip: departure points, marine life, best months, tour options from Drake Bay and Uvita, and real prices.

Catalinas Islands diving: complete guide

Everything you need to dive Las Catalinas Islands in Costa Rica: marine life, best season, certifications, operators and real prices.

Cocos Island liveaboards: everything you need to know

Plan a Cocos Island liveaboard dive trip: how to get there, cost ($4-6k), top operators, best season, and what sharks and rays you'll encounter.

Costa Rica marine life guide: every species worth knowing

Complete guide to Costa Rica's marine life: humpback whales, manta rays, sea turtles, hammerheads, sailfish and what time of year to see each species.