Kona Coast, Hawai'i · Est. 2008
Descend into the unknown.
Guided reef and wreck dives, liveaboard expeditions, and world-class certification — for divers who want the blue to swallow them whole.
Ocean-reverent. Calm-confident.
We don't conquer the ocean. We learn to belong to it.
For nearly two decades, Abyss Diving Co. has guided divers off the Kona Coast with one obsession: making the descent feel as safe as it is breathtaking. Immaculate gear, conservative profiles, and guides who read the water like a second language.
Guided reef & wreck dives
Small groups, expert guides, and 70+ mapped sites from sunlit gardens to deep-water wrecks.
Learn moreLiveaboard expeditions
Multi-day voyages aboard the M/V Nyx to remote atolls — up to four dives a day, far from shore.
Learn moreCertification courses
From your first breath underwater to professional Divemaster, taught by patient pros.
Learn more
The Sunlit Shallows
We start where the light is bright and the reef is loudest — turtles cruising, coral blooming, your breathing finding its rhythm. This is where confidence is born.
The Twilight Wall
Color drains to blue as you slip over the drop-off. Sharks patrol the edge of visibility and the reef gives way to the open ocean. This is where divers fall in love with the deep.
Into the Abyss
Beyond recreational limits, for trained eyes only. Wrecks emerge from the gloom, pelagics pass like ghosts, and the silence is total. This is the unknown we descend for.
Signature dives
Where we'll take you
Reef-12mManta Ray Night Drift
Drift onto a moonlit cleaning station where giant mantas barrel-roll through your dive light beams.
- Depth
- -12m
- Duration
- 2.5 hrs
- Difficulty
- Beginner
Reef-18mCoral Garden Reef
A sun-drenched reef shelf bursting with hard coral, turtles and a constant parade of tropical color.
- Depth
- -18m
- Duration
- 3 hrs
- Difficulty
- Beginner
Reef-30mThe Blue Wall
Hang weightless over a vertical drop-off that vanishes into deep blue — the open ocean comes to you.
- Depth
- -30m
- Duration
- 3 hrs
- Difficulty
- Intermediate
From the dive log
Frames from the deep
Eighteen years, measured in bubbles.
Trusted by divers
“The Ghost Fleet wreck dive rewired my brain. The crew read the conditions perfectly and the whole descent felt cinematic — like sinking into another planet.”
“I got certified with Abyss as a total beginner and now I'm halfway to Divemaster. Calm instructors, immaculate gear, zero ego.”
“Four days on the Nyx liveaboard chasing mantas under the stars. Best money I've ever spent. Already booked next season.”
Your next descent is waiting.
Tanks are filled, the boat is fueled, and the blue is open. Reserve your spot and we'll handle the rest.
Book your dive