

Best for beginner divers, 9-18m, boat entry, mild current.
Manta Ray Bay in Kona is a reef and artificial reef site accessible only by boat. Divers typically explore depths between 9 and 18 metres, with an average depth of 13 metres. Conditions vary, with visibility ranging from 5 to 9 metres and mild currents. The site is suitable for beginners and supports night diving. Marine life frequently observed includes wrasses, Moorish idols, yellow tangs, and slate pencil urchins. Divers may also encounter uncommon species such as the day octopus, guineafowl puffer, and various moray eels, including painted, turkey, and undulated varieties. Hazards include boat traffic, jellyfish, sea urchins, sharp coral, and surf.
19.63760, -155.99600
Many experienced dive guides suggest planning your trip during the new moon phase, when darker skies enhance the effectiveness of the dive lights in attracting plankton.
Access is typically via boat.
Recorded at this site
Depth
9-18m
Visibility
5-9m
Skill Level
Beginner
Entry
Boat
Boat required
Water Temp
24-27°C
Current
Mild
Typical Dive
45 min
Divers regularly encounter wrasses, Moorish idols, yellow tangs, and slate pencil urchins. Less common sightings include the day octopus, guineafowl puffer, and several species of moray eel.
Yes, Manta Ray Bay is considered suitable for beginner divers.
The depth ranges from 9 to 18 metres, with an average depth of 13 metres.
Access to Manta Ray Bay requires a boat; it is located approximately 1000 metres from the shore.
While the site is primarily used for diving, it is located in a marine environment where surface activities may occur, though boat traffic is a noted hazard.
Diving at Manta Ray Bay in Kailua-Kona requires the following certifications: Open Water. Always dive within your training limits.
A 3mm wetsuit is recommended for diving at Manta Ray Bay in Kailua-Kona. Water temperatures range from 24°C to 27°C.
Divers at Manta Ray Bay in Kailua-Kona should be aware of jellyfish. These encounters are generally rare and avoidable with proper awareness. Follow local safety guidance and maintain a respectful distance from all marine life.
Manta Ray Bay in Kailua-Kona typically has mild currents that most divers can handle comfortably.
Visibility at Manta Ray Bay in Kailua-Kona typically ranges from 5 metres to 9 metres. Conditions vary with weather, tides, and seasons.