
Country Guide
Two seas, six dive regions, from relaxed Caribbean reefs to expedition-grade Pacific shark country
Updated Nov 8, 2026 • 35 sources
Overview
Colombia combines Caribbean coral reefs, island walls, rainforest coastlines and remote Pacific pelagic diving. Beginners can train around Cartagena and the Rosario Islands, San Andres or Santa Marta and Tayrona. Providencia and Santa Catalina reward slower island stays. Gorgona adds rainforest and seasonal humpback whales, while Malpelo is a restricted liveaboard expedition for experienced divers. There is no single national best month: dry-season Caribbean conditions, Pacific rain, trade winds and wildlife migration differ. Check 2026 Tayrona closure periods, the temporary Crab Cay closure, national-park permissions and the San Andres archipelago tourist card before committing.
Caribbean training reefs and mixed-group holidays contrast with Pacific rainforest ecology and offshore shark expeditions.
DiveJourney has published English guides for Cartagena/Rosario, Santa Marta/Tayrona, San Andres, Providencia, Gorgona and Malpelo.
Gorgona humpbacks are a July-October planning draw; Malpelo hammerhead aggregations are a separate advanced-diver expedition goal.
Cartagena heritage, Tayrona coastal walks, San Andres beaches, Providencia Raizal culture and Gorgona guided rainforest trails broaden the trip for non-divers.
A few places to start. Explore the full destination guide when you are ready to compare every region and dive spot.
Best overall window: December-April for a broad Caribbean introduction; July-October for Gorgona humpback trips; January-April for a Malpelo hammerhead-focused expedition
Top species linked to approved dive spots across Colombia.
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19 linked spots