

Best for beginner divers, 13-28m, boat entry, mild current.
Manta divesite is a reef located at Banco Rosario in the Radama Archipelago. The site features a reef structure ranging from 13 to 28 metres deep, with an average depth of 21 metres. Access is by boat, as the site is 16 kilometres from shore. Divers encounter mild currents and visibility typically between 15 and 30 metres, though it can shift quickly. Water temperatures remain between 26 and 29 degrees Celsius. Species recorded around this area include green sea turtles, laced morays, leaf scorpionfish, wrasses, rock cod, longfin bannerfish, blackspotted pufferfish, flatworms, and various invertebrates such as soft corals, sea stars, and crabs. Sea urchins are present in shallow areas.
-13.36833, 48.06276
Tidal changes significantly influence fish presence and visibility, with rising tides often bringing more predatory and pelagic fish.
Departure is usually at 8:00 a.m. directly from the beach of the hotel via boat.
Recorded at this site
Depth
13-28m
Visibility
15-30m
Skill Level
Beginner
Entry
Boat
Boat required
Water Temp
26-29°C
Current
Mild
Typical Dive
45 min
Species recorded around this area include green sea turtles, laced morays, leaf scorpionfish, wrasses, rock cod, longfin bannerfish, blackspotted pufferfish, flatworms, and various invertebrates like soft corals, sea stars, and crabs.
Yes, the site is suitable for beginners due to the mild currents and manageable reef structure, though divers should be aware of sea urchins in shallow areas.
The reef ranges from 13 to 28 metres deep, with an average depth of 21 metres.
This is a boat dive located 16 kilometres from the shore.
While the site is primarily a dive location, the shallow upper sections of the reef may be accessible for snorkelling depending on conditions.
Diving at Manta divesite in Nosy Be requires the following certifications: Open Water. Always dive within your training limits.
A 3mm wetsuit is recommended for diving at Manta divesite in Nosy Be. Water temperatures range from 26°C to 29°C.
Divers at Manta divesite in Nosy Be should be aware of sharks. These encounters are generally rare and avoidable with proper awareness. Follow local safety guidance and maintain a respectful distance from all marine life.
Manta divesite in Nosy Be typically has mild currents that most divers can handle comfortably.
Visibility at Manta divesite in Nosy Be typically ranges from 15 metres to 30 metres. Conditions vary with weather, tides, and seasons.