seasonal13 sites9 countries

Best seasonal Dive Sites in the World

Explore top-rated dive spots tagged with seasonal across multiple destinations.

Costa Rica

Catalina Islands

Playas del Coco · Guanacaste · Costa Rica

A cluster of rocky volcanic islands off the Guanacaste coast famous for seasonal giant manta ray aggregations, bull shark encounters, and nutrient-rich Pacific diving in the biological corridor to Cocos Island.

Dominican Republic

reef

Silver Bank

Puerto Plata · Puerto Plata · Dominican Republic

One of only three places on Earth where you can swim with humpback whales during their annual breeding season.

Fiji

channel

Manta Ray Island

Nadi · Yasawa Islands · Fiji

A world-renowned manta ray cleaning station in a shallow channel between Yasawa islands, where reef mantas gather in numbers to be cleaned by wrasses during the dry season.

India

reef

Pondicherry Temple Reef

Pondicherry · Puducherry · India

A submerged rocky reef off Pondicherry's coast where French colonial history meets Bay of Bengal marine life, with artificial reef structures, recovering coral gardens, and seasonal visits from whale sharks and guitar sharks.

Malaysia

wall

Pulau Tenggol D Wall

Dungun · Terengganu · Malaysia

A granite boulder wall on Pulau Tenggol's western shore featuring soft coral-draped overhangs, resident whale sharks during season, and exceptional macro life in the South China Sea.

Tenggol Island - Tokong Timur

Dungun · Terengganu · Malaysia

A rocky pinnacle off Tenggol Island famous for seasonal whale shark encounters and vibrant coral-covered boulders in clear South China Sea waters.

Mexico

open-water

La Paz Whale Shark Encounter

La Paz · Baja California Sur · Mexico

The Sea of Cortez waters off La Paz host the largest seasonal aggregation of whale sharks in North America, with dozens of juveniles gathering in the shallow bay from October through April.

Magdalena Bay Gray Whales

Ciudad Constitucion · Baja California Sur · Mexico

A sheltered Pacific lagoon where gray whales gather each winter to calve and nurse, offering extraordinary in-water encounters with curious mothers and calves in shallow warm waters.

Isla Holbox Whale Sharks

Cancun · Quintana Roo · Mexico

The convergence of Caribbean and Gulf waters off Isla Holbox creates the Western Hemisphere's largest seasonal whale shark aggregation, with hundreds of filter-feeding giants gathering to feast on tuna spawn.

Playa del Carmen Bull Shark Dive

Playa del Carmen · Quintana Roo · Mexico

A seasonal open-water dive off Playa del Carmen's coast where female bull sharks aggregate between November and March, offering close encounters with one of the ocean's most powerful predators on a sandy bottom in clear Caribbean water.

South Africa

open-water

Sardine Run Wild Coast

Port St Johns · KwaZulu-Natal / Eastern Cape · South Africa

The greatest marine spectacle on Earth, where billions of sardines migrate along South Africa's Wild Coast pursued by sharks, dolphins, whales, and diving birds in a feeding frenzy of unmatched scale.

Tanzania

open-water

Mafia Island Whale Sharks

Kilindoni · Mafia Island · Tanzania

The waters off Mafia Island's western coast host East Africa's most reliable whale shark aggregation from October to March, with juvenile and sub-adult sharks feeding in shallow plankton-rich channels.

Vietnam

reef

Whale Island (Hon Ong)

Nha Trang · Khanh Hoa Province · Vietnam

A secluded island north of Nha Trang where seasonal whale shark aggregations and healthy coral reefs provide a quieter alternative to the city's crowded dive sites in the South China Sea.