
Diving atCoral Bay 2 (Cambodia)
Offering typically good visibility, Coral Bay 2 is a vibrant dive site on the east side of Koh Koun island, Cambodia. Divers can anticipate conditions where visibility ranges from 10-25 meters, providing clear views of its diverse underwater topography. This site accommodates various skill levels with both shallow coral reef exploration and opportunities for muck diving in areas away from the island. Boat entry simplifies access, making it a convenient destination for exploring Cambodian waters.
Evening condition tracking at Coral Bay 2 features an air temperature of 29.5°C. We have recorded wave heights measuring 0.4 m during this period. These figures outline the environmental parameters currently present.
Dive Site Location & Key Facts
Everything you need to know about this dive site.
Dive Site Overview
Descending into Coral Bay 2 reveals a welcoming aquatic landscape, particularly on Koh Koun island's east side. Dive boats typically anchor in a shallow bay, offering an easy start over the sandy bottom, ideal for novice divers.
From this point, divers can explore the surrounding vibrant coral reef, teeming with various hard and soft corals. For experienced divers and photographers seeking a different experience, there's also the option to venture away from the island for specialized muck diving. This type of diving often uncovers a fascinating array of macro-life, which might include elusive seahorses, pipefish, and nudibranchs.
The maximum depth at Coral Bay 2 is approximately 12 m (39 ft), making it suitable for recreational divers and those undertaking initial certifications like PADI Open Water Diver. Water temperatures remain consistently warm, generally ranging between 27-31°C (81-88°F) throughout the year.
Visibility here typically ranges from 10 to 25 meters, allowing for clear observation of the reef's inhabitants and topography. While the site is praised for its calm entry points, divers should be mindful of potential currents that can occur around the islands, sometimes enabling drift diving experiences. It's a comprehensive site, blending accessible reef diving with intriguing macro opportunities.
Coral Bay 2
Conditions are Good
Best Dive Window
Optimal conditions expected
Current conditions near Coral Bay 2 show 30° air, 30° sea temperature, 0.5 m waves, and 26 km/h wind. Forecast data is refreshed regularly to ensure accuracy.
Best Time to Dive
Optimum visibility often characterizes the dive season for Coral Bay 2, generally from late October through June. During these months, divers typically encounter the most favorable conditions, aligning with lower rainfall and calmer seas. Specifically, January to April consistently offer excellent dive scores, with average air temperatures staying comfortably warm, around 27-29°C (81-84°F). Rainfall during this peak period remains minimal, averaging less than 3 mm, which contributes to clearer water. As the season progresses into May and June, conditions remain good, though average wave heights might increase slightly. Moderate dive scores are reported in July, which sees the highest average rainfall at around 20 mm and increased wave activity, potentially affecting visibility. For divers seeking to spot larger pelagics like whale sharks, December through May are noted as potential months, especially for sites further offshore. However, excellent conditions generally persist from late fall through early summer, providing consistent opportunities to explore Coral Bay 2.
PEAK SEASON SCORE
Scores combine air & water temps, waves, wind & rainfall for overall conditions.
BEST MONTHS TO DIVE
Monthly records compiled from satellite and marine observation nodes over the last 3 years. Data provided by Open-Meteo and MET Norway.
Dive Experience & Conditions
Navigating the waters around Coral Bay 2 can present varied current dynamics, which may influence the dive experience. While many areas, particularly near the boat anchorages in the shallow bay, offer calm conditions, currents around Koh Koun island can make it an ideal place for drift diving. Diver experience will dictate the suitability of dive sites, with operators often selecting locations based on prevailing winds and sea state. Typically, maximum depth for this site is a recreational 12 m (39 ft). Water temperatures are consistently warm, staying within a comfortable range of 27-31°C (81-88°F). Visibility often sits between 10-25 meters, allowing divers clear views of the extensive hard and soft coral formations. Boat entry is the primary method for accessing Coral Bay 2. Whether exploring the fringe reef or undertaking a muck dive, conditions generally support a relaxed and rewarding underwater exploration.
Dive Difficulty & Safety Guidelines
Approaching any dive site demands adherence to established safety protocols to ensure a secure experience. At Coral Bay 2, divers should always follow their dive master's instructions, especially concerning potential currents around the islands. Small group sizes are standard for guided dives, ensuring personalized attention from qualified PADI professionals. These professionals are trained in first aid and maintain a commitment to high international safety standards. Before entry, confirm your equipment is properly functioning and suited for the conditions, particularly if opting for a muck dive which may require specific buoyancy control. Always carry a Surface Marker Buoy (SMB) for safety and to alert boat traffic of your position after surfacing. Divers should also be mindful of their surroundings and avoid touching marine life or corals, helping preserve the delicate ecosystem. Staying within established recreational depth limits of 12 m (39 ft) is also a critical guideline.
Recommended Equipment
- Dive Computer
This gear list is based on verified equipment signals for Coral Bay 2, Cambodia. Always confirm final gear choices with your dive operator, guide, or liveaboard.
Recommended Dive Suit
Divers planning deeper dives may feel cooler than those staying in shallower areas.
Many divers find that dive skin or rash guard offers a comfortable balance between warmth and mobility. Forecast trends indicate similar diving conditions over the next few days.
Water temperatures across the dive area at Coral Bay 2 are presently estimated to be around 30°C (86°F). Surface air temperatures are resting at 30°C (85°F).
Due to technical issues with our weather providers, data hasn't been fetched for over 48 hours. The data above reflects the conditions at the time of the last successful fetch.
Emergency & Medical Support
Essential information to help you plan your dive trip to coral bay 2.

Hyperbaric chambers are a critical part of dive safety infrastructure. Availability varies significantly by region, and not all dive areas have immediate access.
Before diving, it's recommended to:
- confirm nearest medical facilities
- check emergency procedures with local dive operators
- ensure dive insurance covers evacuation if required
Divers Alert Network
Diving emergency assistance available through DAN World.
+1-919-684-9111- 24/7 emergency hotline
- Diving medical assistance
- Evacuation coordination
Emergency contacts are provided for reference. Always verify local emergency services before diving.
Marine Life at Coral Bay 2
The underwater landscape of Coral Bay 2 supports a rich variety of marine species across its coral reef and sandy bottom areas. Exploring the vibrant reef sections often reveals an array of reef fishes amidst extensive hard and soft corals. For divers focused on macro photography, the muck diving opportunities here are particularly rewarding. Keep an eye out for interesting creatures like seahorses, pipefish, and devil-scorpionfish nestled amongst the substrate. Numerous nudibranch species, octopus, worms, and various crustaceans also inhabit these waters. While larger pelagics such as stingrays, moray eels, and cobia might be spotted, especially in slightly deeper or adjacent areas, the site is particularly celebrated for its abundant macro-life, offering intricate discoveries for patient observers.
Dive Sites Near Coral Bay 2
View all dive sites in CambodiaDiscover more underwater gems in this area.
Dive Centers Near Coral Bay 2
Working Hours
Today: 08:00 - 18:00
Watersports Cambodia Dive Centre
Scuba Nation Diving Centre Cambodia
Koh Rong Dive Center
Khmer Dive Group
Cambodia Diving Group
Blue Lagoon Divers Cambodia
Freedom Dive Center
Nearest Airports
Nearest airports to help plan travel to this dive area.
Search Flights
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Search Flights on ExpediaFrequently Asked Questions
What is the maximum depth at Coral Bay 2?
This dive site reaches a maximum depth of 12 meters (39 feet). Such depth makes it suitable for recreational divers and ideal for beginners completing their Open Water Diver certification.
What types of diving can I experience at Coral Bay 2?
Divers can explore vibrant coral reefs or opt for muck diving, particularly appealing for photographers. The site features both extensive hard and soft corals and sandy bottom areas.
What marine life might I see?
While exploring, look for seahorses, pipefish, devil-scorpionfish, and a wide variety of nudibranchs. The reefs also host numerous reef fish, and occasionally larger species like stingrays and moray eels.
When is the best time to dive here?
The prime diving season generally runs from late October to the end of June, with excellent conditions often found from January to April. During these months, expect lower rainfall, calmer seas, and better visibility.
What are the typical water conditions?
Water temperatures are consistently warm, ranging from 27-31°C (81-88°F) throughout the year. Visibility typically ranges from 10 to 25 meters, though this can vary with weather and currents.
Is Coral Bay 2 suitable for beginner divers?
Yes, with shallow boat entry points over a sandy bottom, it's very suitable for beginners. Many choose to explore the vibrant coral reef, and it's an excellent location for Open Water Diver training.
What equipment is recommended for diving here?
A rash guard or light wetsuit is often sufficient for thermal comfort. A camera is highly recommended for capturing the macro-life and reef scenery, along with a Surface Marker Buoy for safety.
Are currents usually present at the site?
While some areas are calm, currents can occur around the islands, which can sometimes allow for drift diving experiences. Dive operators select sites based on conditions and diver experience.
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Coral Bay 2
Conditions are Good
Best Dive Window
Optimal conditions expected
Current conditions near Coral Bay 2 show 30° air, 30° sea temperature, 0.5 m waves, and 26 km/h wind. Forecast data is refreshed regularly to ensure accuracy.














