

Best for beginner divers, 5-24m, boat entry, mild current.
Keahole is a reef and drop-off site located off the coast of the Big Island in Kona. The site features depths ranging from 5 to 24 metres, with an average depth of 15 metres, making it suitable for beginner divers. Visibility is consistently 30 metres, and water temperatures remain between 24 and 27 degrees Celsius. Access is by boat only, and divers should be prepared for mild currents, occasional surges, and swells. The site is also available for night diving. Facilities including parking, toilets, showers, and equipment rental are available at the launch facility.
19.73648, -156.05547
Be aware that currents can strengthen without much warning at the drop-off, so keep your group together and signal your divemaster early if conditions feel different from the briefing. The site is boat access only, but parking, showers, toilets, and air fills are available at the launch facility, so you can turn a full day around here without heading back to town.
The site is suitable for both shore and boat dives.
Recorded at this site
Depth
5-24m
Visibility
30m
Skill Level
Beginner
Entry
Boat
Boat required
Water Temp
24-27°C
Current
Mild
Typical Dive
30 min
Best Time
May, Jun, Jul, Aug, Sep
Yes, the site is suitable for beginner divers, offering depths between 5 and 24 metres to build confidence.
Keahole is a boat-only access site, requiring a boat charter to reach the reef and drop-off.
The average depth at Keahole is 15 metres, with a range of 5 to 24 metres.
Divers should be aware of mild currents, strong surges, and swells. Additionally, sharks may be present in the deeper waters.
Yes, night diving is available at this site.
Diving at Keahole in Big Island requires the following certifications: Open Water. Always dive within your training limits.
Yes, equipment rental is available at or near Keahole in Big Island. Contact local dive operators for specific gear availability and prices.
A 3mm wetsuit is recommended for diving at Keahole in Big Island. Water temperatures range from 24°C to 27°C.
The best months to visit Keahole in Big Island are May, June, July, August, and September. Conditions outside these months can still be good but are less predictable.
Keahole in Big Island typically has mild currents that most divers can handle comfortably.
Visibility at Keahole in Big Island typically ranges from 30 metres to 30 metres. Conditions vary with weather, tides, and seasons.