Otdima Reef

# Otdima Reef

Discover Otdima Reef, a premier dive site nestled off Gam Island in Indonesia’s renowned Raja Ampat archipelago. Located in the Halmahera Sea, this Pacific Ocean destination offers exceptional coral formations and vibrant marine biodiversity.

Divers explore spectacular hard coral gardens, dramatic drop-offs, and intricate reef structures teeming with tropical fish species. The site features healthy coral colonies, including branching acropora and massive bommies that create natural swimming channels and caverns for intermediate to advanced explorers.

Marine encounters include schools of fusiliers, trevally, groupers, and various reef sharks patrolling the deeper sections. Smaller species like nudibranchs, gobies, and crustaceans inhabit the coral nooks. Eagle rays and manta rays occasionally grace the waters during favorable conditions.

Depths range from 5 to 40+ meters, accommodating various skill levels. Strong currents are common, making this site best suited for intermediate to advanced divers comfortable with drift diving. Visibility typically reaches 20-30 meters.

Otdima Reef exemplifies Raja Ampat’s world-class diving reputation, combining pristine conditions with rich marine ecosystems in one of Earth’s most biodiverse underwater regions.

🐠 Marine Life at This Dive Site

Giant Moray Gymnothorax javanicus roxylaz

Ocellaris Anemonefish Amphiprion ocellaris davidr

Gardiner's Banana Nudibranch Notodoris gardineri kwillmott

Maze Rabbitfish Siganus vermiculatus lovelyclemmy

Mangrove Monitor Varanus chlorostigma menzorug

Starry Puffer Arothron stellatus cosmicoctopus

Species data from iNaturalist (CC BY-NC)