Kumimi Beach, also known as Murphy's Beach or 20 Mile Beach, is a shore-accessible reef site on Molokai. This location is suitable for beginners and offers a shallow reef environment. Entry is made directly from the golden sand beach. Conditions vary, with mild currents and potential surf. Divers and snorkellers should be aware of hazards including sharp coral and strong currents. Water temperatures range from 24C to 27C throughout the year. Parking is available for visitors at this site.

Kamalo Wharf on the south shore of Maui offers access to a massive fringing reef and an artificial reef environment created by pier pilings. Divers and snorkellers can explore the reef wall and the structure of the wharf, which supports a variety of tropical reef fish and invertebrates. The site is suitable for intermediate divers, with depths starting at one metre. Access is available from both shore and boat. Conditions are generally mild, though visitors should be aware of potential rip currents and sharp coral. Water temperatures remain consistent throughout the year, ranging from 25C to 27C.

Moku Ho'oniki is a boat-access site located off the eastern tip of Molokai, featuring a complex topography of reefs, walls, pinnacles, and caves. Divers encounter depths ranging from 5 to 100 metres, with an average depth of 60 metres. This site is suitable for advanced divers due to strong currents and the potential for decompression, nitrogen narcosis, and overhead environments. Visibility typically ranges from 15 to 45 metres. Water temperatures remain between 21 and 24C throughout the year. Access is strictly by boat, and divers must be prepared for hazards including boat traffic, entanglement, and surf.

Halawa Bay is a reef site located at the end of the road in the historic Halawa Valley. Snorkelling takes place along the rocky edges of the bay. The site is suitable for intermediate snorkelers, with depths ranging from 1 to 10 metres and an average depth of 5 metres. Access is via the shore. Conditions vary, with visibility typically between 3 and 15 metres. Hazards include surf, rip currents, and strong currents, particularly when swell is present. Facilities available at the site include parking, toilets, showers, changing rooms, and a rinse station. Water temperatures range from 24C to 27C throughout the year.

Moloka'i Outer Reef is a marine reef site located 1000 metres offshore from Maui. This site is accessed exclusively by boat and is suitable for intermediate divers. The average depth is 12 metres, with typical dives lasting around 50 minutes. Divers should be prepared for moderate currents and surf conditions. Visibility at the site ranges from 15 to 30 metres. The reef environment supports a variety of reef fish and invertebrates typical of the Hawaiian region. Hazards at this location include sharks, sharp coral, strong currents, and surf. Boat charters and guided tours are available for those planning to visit this offshore reef.

Kapalua Bay is a sheltered reef site on the north shore of Maui, featuring two distinct coral reefs. The site is accessible from the shore and is well-suited for beginners, with depths ranging from 1 to 13 metres and an average depth of 8 metres. Divers and snorkellers can expect water temperatures between 24C and 26C. Visibility typically fluctuates between 5 and 15 metres. Facilities at the bay include parking, toilets, showers, rinse stations, equipment rental, and a cafe. Be aware of potential hazards including surf, rip currents, and strong currents. Night diving is permitted at this location.

Napili Bay is a shallow reef site located on Maui, offering a accessible shore entry suitable for beginners. The topography consists of rocky coastal benches with limited coral growth. Depths at this site range from 2 to 7 metres, with an average depth of 5 metres. Conditions include mild currents and visibility typically between 5 and 15 metres. Divers and snorkellers should be aware of potential hazards including surf, rip currents, and sharp coral. Facilities available at the site include parking, toilets, showers, and a cafe. A typical dive duration is approximately 50 minutes.

Honokeana Bay is a rocky cove characterised by its high density of sea turtles. The site features a reef environment with an average depth of 4 metres. Entry is via the rocks, as there is no sandy beach. Snorkellers should be aware of strong currents, surf, and surge, making this an intermediate-level site. Visibility typically ranges between 3 and 10 metres. Marine life recorded here includes wrasses, Moorish idols, spotted boxfish, and various moray eels, including turkey, snowflake, zebra, and yellow-edged species. Other sightings include day octopus, sea slugs, bluefin trevally, and several butterflyfish and parrotfish species. Parking is available for visitors.