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20 to 40ft (6-18m)

This site is like an underwater playground for divers. Everywhere you turn, unique lava topography shelters a new discovery. Weave in and out of the trenches, tubes, and overhangs that act as a series of underwater funnels that create the world class surf the North Shore is known for in the winter months. Famous for Nudibranchs!


25 to 60 ft (8-18m)

This is a religious dive experience! Located just behind the fire department, you’ll find this dive temple. Skylights over a large lava tube create a Hawaiian light show not to be missed. Like Sharks Cove this dive in also in the marine sanctuary, so there is lots of marine life to see as well.


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Electric Beach

15 to 30 ft (4-9m)

This site is a favorite among local divers! It’s nestled outside the busy city of Honolulu on the beautiful southwest coastline. With the sandy beach entry and shallow depths it is a good choice for all experience levels. Located across the street from the electric plant one of the main highlights is the massive outflow pipe used by the plant to cool their systems. Warm water is pumped out of the pipe creating a playground for all the marine life. Huge schools of native fish and green sea turtles love to get blown around in this outflow like a blooper reel from Finding Nemo! Keep your eyes and ears open as dolphins, monk seals, and rays famously swoop through this area too. Don’t miss an opportunity to get a selfie with the sunken Buddha statue!

Ewa Reef

50 to 80Ft (15-25 m)

This reef dive on the Oahu’s south shore boasts beautiful lava formations and incredible overhangs. The max depth is about 80 feet. The dive depth varies and bottom time is usually about 25 minutes. There is an abundance of fish and a 6-foot turtle sometimes makes an appearance, lots of eels, often rays show up and the occasional white tip reef shark. Visibility here is often 100 feet of more.

Horseshoe Reef

40 to 65 ft (12-20m)

Another south side double whammy! Horseshoe reef gets its name from its shape. Here you can find several species of eels, pincushion starfish, and antler coral. Swim 50ft (15m) to Kewalo pipe. Keep your eyes peeled for spotted eagle rays off in the distance, and follow along this drainage pipe covered in coral and little critters galore.

Kewalo Pipe

15-60ft (5-20m)

This dive site gets its name from an old storm drain pipe that runs straight out to sea from shore. Adjacent to Horseshoe Reef, it is a great example of South Oahu reef structure. Bright hard corals grow along the pipe itself, as well as the reef surrounding it. Keep an eye out for frogfish! They like to use the corals on the pipe to camouflage themselves. If your air lasts, the reef at the end of the pipe is pristine! Look for large white mouth morey eels and octopus!


60-80ft (18-25m)

LCU stands for Landing Craft Unit. This is another great wreck on the west side of the island. Though it is new and the growth is still sparse there is still lots to occupy your time here.  Aside from the ship, over a hundred z blocks were scattered and now house white tip reef sharks, trumpet fish, and more.

Mahi Minesweeper

70 to 90ft (20-27m)

Though this wreck was sunk on purpose to create an artificial reef, you would think it was in battle! Originally a Navy minesweeper, this ship was thrashed by two different storm years apart, finally completely ripping her clean in half. The main attraction here is the frequent spotted eagle rays. As many as 3 dozen strong have been reported here. There is also huge schools of blue line snapper, octopus, eels, and occasionally a very large barracuda.

Makaha Caverns

25 to 60 ft (8 -18m)

A staff favorite. This site boasts some of the best examples of Hawaii’s unique lava topography with trenches, lava tubes, and caverns every way you look. Stick close and follow our guide as they point out huge sleeping turtles, several species of lobster, resting white tip reef sharks and more. Take time to appreciate the ambient light show through the skylights in the tops of the caverns.


30 to 40ft (9-12m)

Nautilus Reef is a combination of two shallow reefs set upon old lava rock beds. It was named after the glass bottom boat Nautilus that toured the area, but has since been relocated to Guam.

Lots of reef fish here including triggerfish, boxfish, goatfish, tangs. Also sightings of manta rays, stingrays, tiger sharks and grey reef sharks are possible at the outer edges of the reef. Monk seals have been seen here too.

Rainbow Reef

23 - 65Ft (7-20m)

This is a great dive site for amateurs, as it doesn’t have a current and features vast amounts of marine life. The fish here are used to human contact and as such will approach a diver. One can see spotted puffer fish, moray eels, porcupine fish, Moorish idols, fantail filefish and triggerfish.

San Pedro

60 to 100ft (18-30m)

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80 to 130ft (25-40m)

This is an advanced dive as it claims the title for deepest recreational wreck on the island. Originally a fishing vessel, this ship was sank in 1996 by a submarine company for its tours. However, shortly after the company closed and the site quickly became a must dive for locals and visitors. Large schools of pyramid butterflyfish, massive sea turtles, and white tip sharks frequent this wreck.

Sharks Cove Arches

20 to 50ft (6-15m)

Located in Pupukea Marine Life Sancturary, This site is perhaps the best example not only Oahu diving, but Hawaii in general. The uniqueness of this site has attracted attention of divers across the globe. Everything from lava tubes and caverns, green sea turtles, endemic fish, dolphin, and monk seals are found to take advantage of this protected marine reserve.

Sharks Cove Tunnels

20 to 50ft (6-15m)

Located in Pupukea Marine Life Sancturary, This site is perhaps the best example not only Oahu diving, but Hawaii in general. The uniqueness of this site has attracted attention of divers across the globe. Everything from lava tubes and caverns, green sea turtles, endemic fish, dolphin, and monk seals are found to take advantage of this protected marine reserve.


25 to 60 ft (8 -18m)

Another west side must dive! Known locally as Keau Corners, this is another great topography dive. Here you can drop through a vertical lava tube down to the bottom where you make your way to one of the most spacious caverns on the island. Everything from rare nudibranchs to the endangered Hawaiian Monk Seal can be found here.

Super Mario World

35 to 45ft (10-14m)

Mario World is named because of the extensive pipe system that covers the area. This is a great spot to find Cowry shells and schools of huge puffer fish. Because of the depth it is great dive site for all of our divers, from students to certified divers just looking for a nice slow-paced reef dive.

Three Tables

15 to 60 ft (5-18m)

Named after the 3 flat reef slabs that just breach the surface. In between world famous Waimea Bay and Sharks Cove, this dive will leave you in awe. Lava rock walls and pillars create another unique Hawaiian seascape. Plenty of turtles and endemic fish can be found here. Swim alongside rainbow parrotfish and schools of convict tang. If your good on air, you might make it to Carwash, one of our North Shore boat dives.

Turtle Canyons

15 to 30ft (5-10m)

Its in the name! As many as a dozen green sea turtles can been seen together here. Take a knee and watch one of the busiest turtle cleaning stations on the island. Several at a time gather to have their shells cleaned by tangs, wrasses and other fish. The turtles are used to divers, so getting a photo with one is usually easy. Don’t touch though, these guys are protected by law.

Turtle Town

30 to 40ft (9-12m)

Turtle Town offers a reef formed on lava that flowed from Haleakala centuries ago. The caverns and ledges in the lava are a perfect habitat for sponges, corals, octopus, fish, eels, and shrimp. The highlight of this reef is the number of Green Sea Turtles. The Green Sea Turtles are an endangered species and must not be touched or harassed. They are very curious animals and often allow snorkelers a good look from just a few feet away.

Waimea Wall

30 to 60ft (10-18m)

Turtle cleaning stations are common here. Watch the green sea turtles get picked clean by endemic Saddle Wrasse. Weave in and under overhangs and arches. Keep an eye out to the big blue for big gamefish and spotted eagle rays.


60 to 100ft (18-30m)

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