Mandolin is a wall dive site located off Bunaken Island. There are also some caves near its deeper part.
Marine life is diverse and includes blue-spotted rays, sea turtles, black snappers, butterflyfish, trevallies, dogtooth tunas, scorpionfish, leaf fish, flatworms, nudibranchs, crabs, as well as giant barrel sponges, black coral, and gorgonians.
Depth: 5-40 meters/16-131 feet.
Current: Moderate
Visibility: More than 15 meters/50 feet
Water temperature: 26°-30° C/78°-86° F
Dive period: Year-round