Koh Ran Gai
Why dive here
With 158+ marine species recorded in the area - including blacktip reef sharks, blue-spotted stingrays, mobula rays (devil rays), whale sharks and pufferfish - Koh Ran Gai offers some of Gulf of Thailand's richest diving. Water ranges 28-31°C, warmest April, May, June.
Koh Ran Gai is a solid choice for a relaxing dive in the Gulf of Thailand, especially if you're newer to diving or just want an easy cruise. The site is relatively shallow, which makes for long bottom times and plenty of light for spotting the resident reef fish. We've seen some decent schools of fusiliers here, and it’s a good spot to practice your buoyancy without fighting strong currents. Think of it as a pleasant, straightforward dive where you can unwind.
Nearest Dive Centres to Koh Ran Gai
Dive shops near Koh Ran Gai
View all dive centres in Gulf of ThailandReviews for Koh Ran Gai
Conditions
Ocean conditions, forecast and tides for Koh Ran Gai
Koh Ran Gai Ocean Conditions
Monthly averages for Koh Ran Gai, sourced from Open-Meteo marine data - nearest station: Open-Meteo marine grid (10.15, 99.7) (6km away)
October Averages
Sea Temperature
30°C
86°F · Range: 29.1–31°C
Air Temperature
27°C
81°F
Wind Speed
4.83 m/s
9.4 knots
Atmospheric Pressure
1009.7 hPa
Based on 4 years of monitoring data · Data sources: Open-Meteo marine data
Plan & book
Ways to dive Gulf of Thailand, from day trips to liveaboards.
Day trips & courses
via GetYourGuideGuided dives, courses and snorkel trips with instant booking.
Find dive trips in Gulf of ThailandPlaces to stay
via Booking.comHotels and dive resorts near Gulf of Thailand.
Search stays in Gulf of ThailandDive insurance
Most travel insurance excludes or limits scuba. Check what you need before you go.
Dive insurance explainedPartner links: we may earn a commission if you book, at no extra cost to you. How we make money
Where to Stay near Koh Ran Gai
Prices from Booking.com. We may earn a commission at no extra cost to you.