Kealakekua Bay in Kona offers a diverse underwater topography featuring reefs, caves, and caverns. Divers typically explore depths between 9 and 16 metres, with an average depth of 8 metres. Access to the site is by boat only. Conditions are generally suitable for beginners, though divers should be aware of potential strong currents and surf. Visibility is excellent, often reaching 30 metres. Water temperatures remain consistent throughout the year, ranging from 25C to 27C. Facilities available in the area include parking, toilets, dive shops, boat charters, and guided tours. A typical dive at this location lasts approximately 60 minutes.

Manta Village in Kona is a reef and artificial reef site accessible only by boat. Located 500 metres from shore, the site features an average depth of 7 metres, with a range between 3 and 12 metres. Divers encounter a variety of marine life including spotted eagle rays, green sea turtles, turkey moray, slate pencil urchins, Hawaiian convict surgeonfish, wrasses, yellow tang, spotted boxfish, speckled butterflyfish, flagtail triggerfish, crabs, hermit crabs, sergeants, and spotted surgeonfish. Conditions are generally mild with visibility ranging from 10 to 20 metres. The site is suitable for beginners and supports night diving. Hazards include boat traffic and sharp coral. Facilities available include air fills, equipment rental, parking, toilets, showers, and changing rooms.

Keauhou Bay in Kona offers a versatile marine environment featuring a combination of reef, artificial reef, and drift diving. With depths ranging from 8 to 12 metres and an average of 10 metres, the site is well-suited for beginners. Divers and snorkellers can access the water via a shore entry. Conditions are generally favourable, with mild currents and visibility between 15 and 30 metres. Water temperatures remain consistent throughout the year, ranging from 25C to 28C. The site supports night diving and provides amenities including parking, toilets, showers, and access to guided tours or boat charters. Be aware of boat traffic and surf when planning your visit.

Manta Ray Madness is a reef and artificial reef site located 1600 metres off the coast of Kona, Hawaii. Divers explore depths ranging from 9 to 18 metres, with an average depth of 12 metres. The site offers visibility between 15 and 30 metres and water temperatures of 25 to 27C. Access is by boat only. While the current is typically mild, divers must remain vigilant regarding surge, swell, and heavy boat traffic in the area. Night diving is available, offering a distinct experience compared to daytime visits. The site is suitable for beginner divers, with guided tours and equipment rental available locally.

Kahalu'u Bay in Kona is a shallow reef site sheltered by a natural rock barrier that creates a lagoon-like environment. With an average depth of two metres and a maximum of four metres, the site is well-suited for beginners and snorkellers. Access is via the shore, with facilities including parking and showers available. Conditions vary, with visibility ranging from 5 to 30 metres and mild currents. Divers and snorkellers should be aware of potential hazards including surf, strong currents, sharp coral, sea urchins, and jellyfish. A typical visit lasts approximately 45 minutes.

Captain Cook Monument in Kona is a reef site offering depths between 1 and 30 metres, with an average of 7 metres. The site features a rich coral seabed and is accessible by both boat and shore. Divers and snorkellers frequently encounter Turkey Moray, Achilles Tang, Yellow Tang, Black Durgeon, and various wrasses, groupers, and parrotfish. Whitetip Reef Sharks and Yellow-edged Moray are also recorded here. Conditions include mild currents and visibility ranging from 15 to 30 metres. Water temperatures remain stable between 24 and 27 degrees Celsius. Hazards include boat traffic, deep water, sea urchins, sharp coral, and potential strong currents.

La'aloa in Kona offers a diverse underwater landscape featuring a reef, wall, drop-off, and artificial reef structures. A notable feature is a lava tube containing skylights. Divers can expect depths between 3 and 18 metres with visibility ranging from 10 to 30 metres. Entry is via a shore path located south of Magic Sands Beach. Marine life frequently recorded here includes Green Sea Turtles, Painted Morays, and Slate Pencil Urchins, alongside various butterflyfish, wrasses, and surgeonfish. Conditions include mild currents, though divers should be aware of potential hazards such as boat traffic, jellyfish, rip currents, sharp coral, strong currents, surf, and surge.

Kealakekua Bay is a reef site located on the west coast of the Big Island, offering depths ranging from 2 to 36 metres. The site is suitable for beginners, with an average depth of 10 metres allowing for varied skill levels. Visibility typically spans 10 to 30 metres, and water temperatures remain between 24 and 27 degrees Celsius. Access is by boat only, and divers should be prepared for moderate currents and surge near the reef. Hazards include boat traffic, so divers should remain vigilant near the surface and use a delayed surface marker buoy. Showers are available at the site.