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.

Eel Garden Cove in Kona is a reef and artificial reef site accessible only by boat. Divers typically experience depths ranging from 18 to 24 metres, with an average depth of 18 metres. Conditions are generally mild, with visibility ranging between 15 and 30 metres. The water temperature fluctuates between 24C and 27C throughout the year. This site is suitable for beginners and supports night diving, with a typical dive duration of 50 minutes. Divers should be aware of sea urchins present in the area. The site offers a consistent marine environment for those looking to explore reef structures.

Pipe Dreams is an artificial reef site located in Kona, United States. This boat-accessible dive features an average depth of 11 metres, with a total depth range of 11 to 12 metres. Divers can expect mild currents, though strong currents are a potential hazard. Visibility at the site typically ranges from 10 to 30 metres. Marine life recorded at the site includes common sightings of wrasses and crabs, alongside hermit crabs. Less frequently observed species include yellow tang, banded coral shrimp, groupers, speckled butterflyfish, Pacific trumpetfish, African clown wrasse, raccoon butterflyfish, slate pencil urchin, Pacific bullethead parrotfish, forcepsfish, and Hawaiian convict surgeonfish. The site is suitable for intermediate divers.

Keahole Wash Rocks is a marine site located in Kona, United States, featuring a combination of reef, drop-off, and artificial reef topography. This site is suitable for advanced divers due to the presence of strong currents and surge. Divers typically experience depths ranging from 12 to 30 metres, with an average depth of 18 metres. Access is strictly by boat. Visibility at the site generally ranges between 15 and 30 metres. The site is also available for night diving, with typical dives lasting approximately 35 minutes. Water temperatures remain consistent throughout the year, ranging from 24 to 27 degrees Celsius.

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.

Suckemup is a cave and cavern dive site located in Kona, United States. This site is suitable for advanced divers due to the overhead environment and the presence of surge. Access is exclusively by boat. Divers can expect depths averaging 8 metres. Visibility at this location typically ranges between 24 and 30 metres. Water temperatures remain consistent, ranging from 25C to 28C throughout the year. Given the cave topography and potential for surge, this site requires careful navigation and appropriate training for overhead environments.

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.