Big Arch in Kona is a reef and cave site featuring a distinct archway formation. Divers typically explore the area at depths between 9 and 18 metres, with an average depth of 12 metres. The site is accessible only by boat and is suited for intermediate divers due to the presence of surge and sharp coral. Visibility ranges from 15 to 30 metres, and water temperatures remain stable between 25C and 27C throughout the year. Marine life frequently encountered includes wrasses, Raccoon Butterflyfish, Speckled Butterflyfish, African Clown Wrasse, Turkey Moray, and Day Octopus. Divers may also occasionally spot Spotted Eagle Ray, Whitetip Reef Shark, and various moray eel species.

High Rock in Kona is a varied marine site featuring a reef, wall, and pinnacle topography. Divers encounter a significant drop-off, with depths typically ranging from 12 to 30 metres and an average depth of 15 metres. This site requires boat access and is suited for intermediate divers due to the presence of strong currents and deep water. Visibility is generally good, ranging between 24 and 30 metres. A typical dive at this location lasts approximately 40 minutes. Given the potential for strong currents and the depth profile, this site is recommended for those with appropriate experience in open ocean conditions.

Crescent Beach in Kona offers a reef environment suitable for both diving and snorkelling. The site features depths ranging from 5 to 27 metres, with an average depth of 11 metres. Divers and snorkellers can expect mild currents and visibility between 23 and 38 metres. Marine life frequently encountered includes Moorish idols, various wrasses, and Raccoon butterflyfish. Less common sightings include Spotted eagle rays, Giant frogfish, Green sea turtles, and several moray eel species such as Yellow-edged, Turkey, Snowflake, Painted, Undulated, and Zebra morays. Hazards include boat traffic, surf, surge, and sea urchins. Facilities at the site include parking, toilets, and showers. Typical dives last approximately 45 minutes.

Turtle Heaven is a reef and pinnacle site located 100 metres offshore in Kona, United States. This site is suitable for beginners, featuring an average depth of 7 metres. Divers typically experience mild currents and visibility ranging from 24 to 30 metres. Access to the site is by boat only, with dives lasting approximately 45 minutes. Water temperatures remain consistent throughout the year, fluctuating between 25 and 28 degrees Celsius. Hazards at this location include sharks.

Honokohau Jetty in Kona is a shore-entry dive site featuring a combination of natural reef and artificial structures. Divers can expect an average depth of 11 metres with visibility ranging from 15 to 30 metres. The site is suitable for beginners, though conditions vary with mild currents. Marine life frequently encountered includes wrasses, Moorish idols, and Raccoon butterflyfish. Uncommon sightings include Green sea turtles, Spotted eagle rays, Giant frogfish, and various moray eels such as the Yellow-edged, Turkey, Snowflake, Painted, Undulated, and Zebra moray. Day octopuses and the rare Potter's angelfish are also present. Hazards include boat traffic, sea urchins, sharp coral, and surf.

Manta Ray Bay in Kona is a reef and artificial reef site located 500 metres from shore. Accessible only by boat, the site offers depths ranging from 9 to 15 metres with an average of 12 metres. Conditions vary, with visibility between 5 and 25 metres and mild currents. Divers and snorkellers may encounter wrasses, Moorish idols, and Raccoon butterflyfish. Less frequently, the site hosts spotted eagle rays, giant frogfish, green sea turtles, day octopuses, and various moray eels including painted, snowflake, turkey, yellow-edged, undulated, and zebra species. Potter's angelfish are also occasionally recorded. The site is suitable for beginners and supports night diving, with typical dive durations of 50 minutes.

Alua Beach in Kona features a shallow reef and artificial reef structure ranging from 1 to 3 metres in depth. This shore-entry site is suitable for beginners, offering mild currents and visibility between 10 and 30 metres. Divers and snorkellers frequently encounter wrasses, raccoon butterflyfish, and Hawaiian convict surgeonfish. Less common sightings include day octopus, Potter's angelfish, and various moray species such as undulated, painted, turkey, snowflake, yellow-edged, and zebra morays. Giant frogfish and spotted eagle rays are occasionally recorded, while green sea turtles are rare. Hazards include boat traffic, surf, and surge. Toilets are available on-site, but visitors should arrive with all necessary gear.

Air Tank is a marine dive site located in Kona, United States. The site features a consistent depth of approximately 10 metres. Conditions at this location are subject to variation, with water temperatures ranging between 25C and 27C throughout the year. As a shallow site, it is suitable for divers looking for a straightforward underwater experience. There is no specific data regarding marine life at this location. Divers should be prepared for typical marine conditions in the Kona region.