Two Step in Kona is a diverse marine site featuring a reef, drop-off, and canyon topography. Divers and snorkellers access the water via a shore entry. The site ranges in depth from 2 to 30 metres, with an average depth of 15 metres. Conditions generally include mild currents and visibility between 10 and 40 metres. Water temperatures remain consistent throughout the year, ranging from 24C to 27C. Hazards to be aware of include boat traffic, potential surf and surge, and the presence of sea urchins. Typical dives last approximately 45 minutes. Facilities available at the site include parking and toilets.

Alakaha Bay is a shore-entry reef dive located in Kona, United States. The site features shallow depths ranging from 3 to 9 metres and offers consistent visibility of 30 metres. Water temperatures remain stable between 25 and 28 degrees Celsius throughout the year. Divers should be prepared for moderate currents and exercise caution during entry and exit due to surf, shore break, and sharp coral on the seabed. Scouting the entry point and timing movements with the swell is recommended. Reef booties and gloves are advised to protect against the rocky, coral-rich shoreline.

Crescent Beach in Kona is a reef site suitable for beginners, offering an average depth of 12 metres. Divers can access the site via shore or boat, with visibility typically ranging between 15 and 30 metres. The site features mild currents and is suitable for night diving. Marine life recorded here includes common wrasses and slate pencil urchins. Less frequently encountered species include the painted moray, yellow tang, bluefin trevally, black durgeon, ornate butterflyfish, fourspot butterflyfish, pinktail triggerfish, Pacific orange-spine unicornfish, and bird wrasse. Rare sightings include the Potter's angelfish, turkey moray, and Achilles tang. Facilities include showers. Be aware of hazards such as boat traffic, sharp coral, and surf.

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.

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.

Golden Arches is a reef site located 8000 metres offshore from Kona, United States. Accessible only by boat, the site features a depth range of 2 to 14 metres with an average depth of 11 metres. Divers and snorkellers can expect mild currents and visibility ranging from 10 to 30 metres. Water temperatures remain consistent between 25C and 27C throughout the year. The site is suitable for beginners, with typical dives lasting 45 minutes. Hazards at this location include boat traffic, sea urchins, and sharp coral. Facilities available in the area include parking, toilets, showers, a dive shop, and boat charter services.

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.

Paaoao Bay in Kona features a shallow reef profile ranging from 1 to 10 metres, with an average depth of 5 metres. This site is suitable for beginners, offering visibility between 25 and 35 metres. Shore entry requires caution due to potential surge and swell, which can push divers toward sharp coral and rocks. Water temperatures remain consistent between 25 and 27 degrees Celsius throughout the year. Divers should monitor their position carefully, as moderate to strong currents may develop. Facilities at the site include parking, toilets, and showers to assist with preparation and post-dive cleanup.