easy
3–4 hours
Basic swimming ability recommended; suitable for beginners in good health.
Dive into the dramatic lava tubes and vibrant reefs of west Oahu with Dolphin Divers. Encounter green sea turtles and underwater caverns on this guided Two Tank scuba adventure suitable for all skill levels.
Easy reef dives up to 40ft exploring lava tubes and finding turtles
Experience the breathtaking underwater world of west Oahu with guided scuba dives at the stunning Makaha Caverns. Explore unique lava tubes while encountering green sea turtles in their natural habitat. Perfect for both seasoned divers and beginners, this adventure includes all equipment and transportation, making it an unforgettable outing.
The calm clear waters of west Oahu are the envy of the island rest of the island. Join us for shallower reef dives suitable for those that want longer dives or have not been diving in a while. All dives are guided at a six diver to guide or less ratio from the dive boat.
All equipment is included in your 2 tank scuba dive Oahu experience including dive computers, but you are welcome to bring your own!
Our favorite sight to explore is Makaha Caverns. Here you will find some fully formed underwater lava tubes. There are almost always green sea turtles here. The take naps at the entrance to these lava tubes. Since you can see the exit from the entrance, the intrepid diver will have the chance to swim through!
You may bring friends or family along for the ride who do not wish to Scuba dive. Tour includes refreshments and transportation from Ko olina hotels and resorts.
First time divers may also book this trip at age 12, and will be under the direct supervision on an instructor at a maximum 2:1 ratio. One dive - Makaha Caverns if conditions permit.
Being well-hydrated and rested before your dive helps reduce the risk of decompression sickness and improves overall comfort underwater.
Pay attention to your guide’s instructions on navigating lava tubes safely to avoid any disorientation or accidental contact with fragile formations.
If you’re certified, carrying your certification and logbook streamlines the check-in and equipment fitting process.
Maintain neutral buoyancy to prevent stirring up sediment or touching the sea turtles, ensuring minimal impact on the underwater environment.
Makaha Caverns formed from historic volcanic activity unique to the west Oahu coast, offering habitat for endemic Hawaiian species.
Dolphin Divers emphasizes minimal impact diving practices, supporting coral reef health and sea turtle protection through education and guided tours.
Keeps you comfortable and protected in the warm but occasionally cool ocean waters of Oahu.
summer specific
Monitors depth and time underwater to ensure safe dives—provided by Dolphin Divers but useful to bring your own if available.
Protects your skin without harming the coral and marine life around Makaha Caverns.
summer specific
Allows you to capture photos and videos of lava tubes and sea turtles during your dives.