First Cathedrals is a distinctive cavern and reef site located within the Molokini Crater. Divers access the site by boat to explore an expansive lava rock cavern system featuring skylights that illuminate the interior. The topography includes a central altar and smaller side chambers known as confessionals. Depths range from 4 to 18 metres, with visibility typically between 15 and 30 metres. Conditions include moderate currents and surge, requiring intermediate skill levels to navigate the overhead environment safely. Dives typically last 45 minutes. Water temperatures remain consistent throughout the year, ranging from 25 to 26 degrees Celsius.

Manele Bay is a reef site located adjacent to the small boat harbour. The topography features a diverse reef structure, with coral growth most abundant along the cliffs on the sides of the bay where the bottom drops off. Depths range from 3 to 40 metres, and visibility varies between 10 and 40 metres. The site is accessible by both shore and boat, making it suitable for beginners. Conditions include mild currents, though visitors should be aware of potential hazards including jellyfish, sharks, strong currents, and surf. Facilities available at the site include parking, showers, toilets, and a rinse station.

First Cathedral is a distinctive site within the Molokini Crater, defined by a massive underwater lava tube. The cavern features openings in the ceiling that allow sunlight to filter through, creating a stained glass light effect. The site encompasses a reef, wall, and cave system, with depths ranging from 8 to 18 metres. Access is strictly by boat, and the site is suited for advanced divers due to the overhead environment and potential for strong currents. Visibility is typically between 21 and 30 metres, with water temperatures ranging from 24 to 26C throughout the year. The site is also highly rated for snorkelling and free diving.

Fish Rock is a shallow pinnacle and reef located 45 metres from shore at Molokini Crater. The site features a top covered in soft moon corals that move with the water. Divers and snorkellers can expect mild currents, though conditions may include surge and surf. Visibility is generally high, reaching up to 100 metres. Access to this site is by boat only. The location is suitable for beginners, though visitors should remain aware of potential strong currents in the area. Facilities available at the site include toilets, showers, and changing rooms.

Knob Hill is a marine dive site located at Molokini Crater, featuring a combination of reef, drift, and cave topography. Divers typically experience depths ranging from 7 to 18 metres, with an average depth of 12 metres. Access to this site is exclusively by boat, as it is situated approximately 1000 metres from shore. Conditions at this location are variable, and divers should be prepared for strong currents, which are a known hazard. A typical dive at this site lasts around 40 minutes. Due to the current and site characteristics, this location is best suited for intermediate divers.

Sergeant Major Reef is located within the Molokini Crater and features three distinct lava fingers that form underwater canyons. This site is suitable for beginners, with depths ranging from 5 to 15 metres and an average depth of 10 metres. Access is by boat only, as the site is situated 6436 metres from the shore. Divers and snorkellers should be aware of moderate currents and visibility that typically fluctuates between 3 and 10 metres. Hazards at this location include jellyfish and sharp coral. Water temperatures remain consistent throughout the year, averaging between 25 and 26 degrees Celsius.

Second Cathedral is a cavern and pinnacle site located 12.8 kilometres off the coast of Maui. Divers typically descend onto a pinnacle before navigating into the central hall of the cavern. The site features an overhead environment and reaches depths between 9 and 30 metres, with an average depth of 18 metres. Due to the presence of strong currents and the overhead nature of the cavern, this site is suited for intermediate divers. Visibility ranges from 15 to 45 metres. Access is by boat only, and dives typically last 60 minutes. Hazards include deep water, overhead environments, sharp coral, and strong currents.

Wash Rock in Maui is a reef site featuring a lava tube and a sand channel. Divers can explore the lava tube before crossing the sand channel to reach the main rock formation. The site reaches depths of 21 metres with an average of 18 metres. Conditions include moderate currents and visibility ranging from 4 to 9 metres. Entry is possible from both shore and boat. The site is suitable for beginners, with typical dives lasting 50 minutes. Divers should be aware of the overhead environment within the lava tube. Facilities available include parking, toilets, showers, changing rooms, rinse stations, air fills, equipment rental, and guided tours.