Eco-Sea Dive
Eco-friendly diving, marine biology — based in Koh Rong Samloem. Operating since 2015.
Overview
Eco-Sea Dive combines world-class scuba diving with genuine marine conservation on Koh Rong Samloem. Founded in 2015 by marine biologists, they integrate ecological education into every dive experience.
As a Project AWARE partner, they conduct regular reef surveys, coral restoration projects, and beach cleanups. Divers can participate in real conservation work alongside their recreational diving.
Their marine biology-focused approach means you'll learn to identify species, understand reef ecosystems, and appreciate the underwater environment beyond just seeing pretty fish. Every dive includes a pre-dive ecology briefing.
Why Choose Eco-Sea Dive
Key Highlights
- Unique marine biology focus—learn while you dive.
- Active coral restoration and reef monitoring programs.
- Project AWARE partnership ensures genuine conservation commitment.
- Reef Check survey dives let you contribute to real marine science.
- Eco-friendly practices including reef-safe sunscreen requirement and zero single-use plastic.
- Marine biology-trained guides who can identify and explain hundreds of species.
Courses & Pricing
| Course | Duration | Price |
|---|---|---|
| Discover Scuba Diving | 1 day | $85 |
| PADI Open Water | 3-4 days | $370 |
| PADI Advanced Open Water | 2 days | $310 |
| Fun Dives (Certified) | Half day | $85/2 dives |
| Reef Check Survey Dive | 1 day | $60 |
Dive Sites Visited
Eco-Sea Dive runs trips to the following dive sites:
All Cambodia Dive Sites
For a complete overview of all dive sites in Cambodia, see our full scuba diving guide.
Practical Information
Need to Know
- Getting there: Speed boat from Sihanoukville to Koh Rong Samloem (45 minutes, $12-15 one way). Located on the quieter M'Pai Bay side of the island.
- Conservation program: Volunteers can join 2-week to 3-month marine conservation programs combining diving, research, and community work. Programs from $300/week including accommodation.
- Season: Best diving October to June. Conservation programs run year-round. Reef surveys scheduled monthly.
- Equipment: All eco-friendly equipment included. They use reef-safe anti-fog and require reef-safe sunscreen from all participants.
Insider Tips
Tips for Your Visit
- Join a Reef Check survey dive even if you're not a scientist—it's a fascinating and meaningful experience.
- Ask about their coral nursery project where you can help transplant coral fragments.
- Their M'Pai Bay location is quieter than Saracen Bay—perfect if you prefer a more local, less touristy experience.
- If you have time, their multi-day conservation volunteer programs are an incredible way to give back.
- Bring a reusable water bottle—they have free refill stations and don't allow single-use plastics.
Other Dive Operators
Explore other dive operators in Cambodia:
Scuba Nation Cambodia
Koh Rong Samloem — PADI courses, reef conservation
Dive Shop Cambodia
Sihanoukville — Technical diving, liveaboards
The Dive Shop
Koh Rong — Discover Scuba, fun dives
Complete Scuba Diving Guide
See our full guide with all dive sites, season info, and tips for diving in Cambodia.
Full Diving GuideFrequently Asked Questions
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