There is nothing like sharing the water with something enormous. A whale shark gliding past, a manta banking overhead, a wall of hammerheads turning as one. These encounters humble you and stay with you for life. This is a guide to the best places on earth to dive with big animals, organized by species so you can chase your dream encounter, and Colombia, with two oceans, is quietly one of the great big-animal destinations.
Whale sharks: the gentle giants
The largest fish in the sea is a filter feeder, harmless and awe-inspiring. Timing your trip to their feeding seasons is everything.
- Ningaloo Reef (Australia): reliable seasonal aggregations.
- Isla Mujeres (Mexico): huge summer gatherings.
- Cenderawasih Bay (Indonesia): year-round encounters.
- Donsol (Philippines): a famous whale shark town.
- Mafia Island (Tanzania): calm-water sightings.
Mantas and hammerheads
Rays and sharks bring a different kind of magic: grace and power. Both gather at cleaning stations and current-swept points.
- Manta rays: Kona (Hawaii) night dives, the Maldives, Socorro (Mexico), Raja Ampat (Indonesia).
- Hammerheads: the Galapagos (Ecuador), Cocos Island (Costa Rica), and Malpelo in Colombia, where scalloped hammerheads school by the hundreds.
These are often advanced dives with current, but the payoff is unmatched.
Whales and other giants
Some giants you meet mostly by snorkel or on special encounters, but they belong on any big-animal list.
- Humpback whales: Colombia's Pacific coast (Bahía Solano, Nuquí) from July to October, and Tonga in the South Pacific.
- Sea turtles: found across warm reefs worldwide, including the Colombian Caribbean.
- Eagle rays and reef sharks: a common thrill on healthy tropical walls.
Colombia appears twice here, on both its coasts, which few countries can claim.
Diving with big animals responsibly
These encounters are a privilege, and how we behave decides whether they last. The golden rule is simple: observe, never chase.
- Keep a respectful distance and never touch or feed wildlife.
- Do not block an animal's path or corner it.
- Control your buoyancy so you never crash into reef or animal.
- Follow your guide and local regulations at every site.
Colombia's own giants, closer than you think
You do not need a far-flung expedition to meet big marine life. Off Isla Fuerte, the advanced wall of Bushnell brings hammerheads and whitetip sharks, while turtles and eagle rays cruise the quieter reefs across the island's 29 dive sites.
Nautilus is the PADI center on the island, where warm 27 to 29 degree water and small groups make big-animal encounters relaxed rather than rushed. Explore the sites on our interactive dive map or see our courses and dives, and start meeting Colombia's giants this year.
