
Chole Bay Gardens
Mafia Island · Tanzania
Chole Bay Gardens is a series of interconnected coral gardens on the protected inner edge of Chole Bay, where calm, clear water and a spectacular diversity of coral growth forms — from metre-wide lettuce corals to branching staghorn thickets and ancient brain corals — make it the most approachable and photogenic site within Mafia Island Marine Park. The shallows here are famously productive for macro life — Coleman shrimp on fire urchins, pygmy seahorses on gorgonians, and hunting frogfish that sit motionless for days on the same sponge — and the site's protected position means it is diveable year-round, even when southern swells make the outer reef inaccessible. Night dives here reveal a transformation: Spanish dancers emerge from crevices to spawn, octopus hunt in the open, and the coral surface comes alive with feeding polyps and the bioluminescent flashes of swimming worms.
Conditions
Depth
3 to 22 m
Open water and up
Current
Variable
Can pick up on the edge
Visibility
15 to 25 m
Clearest in the calm season
Water
23 to 30°C
3mm wetsuit
Your chances of seeing each animal
Pygmy SeahorseLeast concern
Sometimes
About 1 in 3 dives
Spanish Dancer
Sometimes
About 1 in 3 dives
Coleman Shrimp
Sometimes
About 1 in 3 dives
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