Kailua Bay is a shallow reef site in Kona, Hawaii, offering depths between 4 and 7 metres. The site is accessible by boat, though shore entries are possible for those comfortable navigating surf and shore break. Visibility typically ranges from 10 to 30 metres, with water temperatures remaining between 25 and 28 degrees Celsius. Divers should exercise caution regarding sharp coral, rocks, and sea urchins, and protective footwear is recommended. While currents are generally mild, they can vary. Showers are available on-site for rinsing equipment and gear after the dive.

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.

High Rock in Kona is a marine site featuring a combination of reef, drop-off, and pinnacle topography. Located approximately 1000 metres from shore, this site requires boat access. Divers can expect depths ranging from 14 to 20 metres, with an average depth of 17 metres. Conditions generally offer visibility between 24 and 30 metres and mild currents. Water temperatures fluctuate between 24C and 27C throughout the year. Due to the nature of the terrain and potential for boat traffic, this site is best suited for intermediate divers. Exercise caution regarding sharp coral present throughout the area.

South Golden Arches is a marine site located off Kona on the Big Island, featuring a combination of natural reef and artificial reef structures. The site reaches depths of 15 to 20 metres, with an average depth of 15 metres. Conditions are generally manageable with mild currents and excellent visibility reaching 30 metres. This site is suitable for beginner divers looking to gain experience on deeper reef terrain. Access is restricted to boat entries only, and divers should remain aware of their surroundings as sharks are present at this location. Always follow the instructions provided by the boat crew during deployment and recovery.

Manta Ray Heaven in Kona is a shallow marine dive site with a depth of approximately 8 metres. The site features a variety of reef life, including common sightings of Hawaiian Convict Surgeonfish, Slate Pencil Urchins, and various wrasses. Divers may also encounter uncommon species such as Snowflake Moray, Painted Moray, Raccoon Butterflyfish, Moorish Idol, African Clown Wrasse, Spotted Boxfish, Triggerfish, Yellow Tang, Pinktail Triggerfish, and Pacific Orange-spine Unicornfish. Water temperatures at this location range between 25C and 28C throughout the year. Conditions at this site can vary, and it is suitable for divers looking for shallow reef exploration.

Golden Arches is a reef and artificial reef site located off the Kona coast. Divers typically explore depths between 9 and 20 metres, with an average depth of 15 metres. The site is accessible only by boat and is suited for intermediate divers due to moderate currents and potential surge. Visibility ranges from 15 to 30 metres. Marine life recorded at the site includes the Slate Pencil Urchin, which is common, alongside uncommon sightings of Turkey Moray, Snowflake Moray, Pacific Orange-spine Unicornfish, Ornate Butterflyfish, Yellow Tang, Spotted Boxfish, Triggerfish, Tiger Cowrie, African Clown Wrasse, Pacific Trumpetfish, Raccoon Butterflyfish, and Hawaiian Convict Surgeonfish. Typical dive duration is 45 minutes.

Old Kona Airport in Kona is a shore-entry dive site featuring a mix of reef and cave topography. Divers typically explore at an average depth of 10 metres, with a total range between 6 and 15 metres. The site is suitable for intermediate divers, with typical dive durations of 60 minutes. Conditions include visibility ranging from 30 to 100 metres and water temperatures between 25 and 28C. Be aware of potential hazards including surf, surge, rip currents, strong currents, sharp coral, and sea urchins. Facilities available at the site include parking, toilets, and showers. Night diving is also permitted at this location.

Garden Eel Cove is a reef dive site located 500 metres off the coast of Kona. The site features an average depth of 10 metres, with a total depth range between 5 and 12 metres. Access is by boat only, and the site is suitable for beginners. Divers can expect mild currents and visibility ranging from 15 to 30 metres. Water temperatures remain consistent throughout the year, typically between 25 and 28 degrees Celsius. The site is also known for night diving opportunities. Hazards to be aware of include boat traffic, entanglement risks, sharks, strong currents, and surf conditions.