Koh Rin
เกาะริ้น
Pattaya's Best Reef
Often rated as Pattaya's best natural reef site, with healthy corals and regular turtle sightings.
Depth Range
5–22m
Site Type
reef
Pattaya & Sattahip
Visibility
8–20m
26–30°C
Getting There
1 hr boat from Pattaya
~20 km south of Pattaya
2 Jul
3 Jul
4 Jul
5 Jul
6 Jul
7 Jul
8 Jul
Marine Life
Notable Features
- • Healthiest reef near Pattaya
- • Military-protected
- • Regular turtle sightings
Best Time to Visit
About Koh Rin
Koh Rin is a military-controlled island that benefits from restricted access — the reef is healthier than anywhere else in the Pattaya area. The island's reef drops to 22m with excellent hard coral coverage and regular hawksbill turtle encounters. Barracuda and large groupers are common on the deeper sections.
Tips
Military island — diving access may require a permit. Check with local operators.
Experience Required
All levels.
Location
GPS: 12.8500°N, 100.6500°E
Learn to Freedive in the Gulf of Thailand
Sites like Koh Rin are what the Gulf has to offer. Get certified with us on Koh Samui — train at Sail Rock and Koh Tao in groups of no more than 3, skip the Koh Tao ferry, and dive the best of the region.
New to freediving? Get the free beginner's guide first.