Diving atAngthong Marine Park (Thailand)
For certified divers seeking a tranquil yet vibrant underwater experience, Angthong Marine Park offers approachable dive conditions. This archipelago is particularly well-suited for beginner to intermediate skill levels, with depths that allow for extended bottom times without demanding advanced techniques. Divers can comfortably explore its diverse sites, engaging with marine ecosystems and unique geological formations. Conditions generally remain gentle, making it an ideal destination to build experience or enjoy relaxed dives.
Starting the day at Angthong Marine Park, the ambient air temperature is recorded at 30°C. Ongoing monitoring shows wave heights measuring 0.2 m. This data represents the current surface conditions for early activities.
Dive Site Location & Key Facts
Everything you need to know about this dive site.
Dive Site Overview
Initially designated a protected area, Angthong Marine Park spans 42 islands in the Gulf of Thailand, northwest of Koh Samui. Its formal establishment as a national marine park directly supports the preservation of delicate coral reefs and the diverse marine life thriving within its waters.
Beneath the surface, the underwater terrain presents a captivating mix for divers. You'll navigate vibrant coral gardens interspersed with dramatic rock formations. Exploring these formations often reveals intriguing sea caves and occasional swim-throughs, which add an element of adventure to the dives.
Sites within the park accommodate a broad range of recreational diving, from shallower sections suitable for beginners to a maximum depth around 25 m (82 ft) at certain points, such as the northern tip of the park. Divers exploring these varied environments encounter a rich tapestry of life, from smaller reef dwellers navigating the crevices to larger pelagic species patrolling the open water.
Many visitors frequently enhance their diving trips by engaging in topside activities. These include kayaking through calm lagoons and hiking among the distinctive limestone cliffs that characterize the archipelago.
Angthong Marine Park
Conditions are Good
Best Dive Window
Optimal conditions expected
Current conditions near Angthong Marine Park show 30° air, 30° sea temperature, 0.3 m waves, and 29 km/h wind. Forecast data is refreshed regularly to ensure accuracy.
Best Time to Dive
Optimal diving conditions in Angthong Marine Park typically occur from March through October, when the dive scores are consistently rated 'Good' to 'Excellent'. During this period, the air temperatures are comfortably warm, averaging between 28.5°C (83°F) in March and 29.5°C (85°F) in April, with minimal rainfall and calmer seas. February, March, and April specifically show 'Excellent' dive scores, alongside the lowest reported wave heights, often around 0.3-0.4 meters, and very little rain. Conversely, November and December experience higher wave heights, sometimes exceeding 0.6 meters, and increased rainfall, which can influence visibility and overall dive comfort.
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 dive sites here often involves exploring varied underwater topography, which includes large boulders and unique rock formations. Many sites within the marine park, like Koh Yippon Lek, are sheltered, contributing to generally calm surface conditions. Depths typically range from 5 to 25 m (16 to 82 ft), accommodating a variety of recreational certifications. Water temperatures are consistently warm, usually falling within 22-27°C (72-81°F). Visibility fluctuates depending on the season and recent weather patterns, ranging from 10 to 20 meters. While strong currents are not a defining characteristic, slight water movement can occur, especially in more exposed areas or channel transitions between islands.
Dive Difficulty & Safety Guidelines
As a protected national marine park, adhering to local diving regulations and respecting the fragile marine ecosystem is paramount. Angthong Marine Park is generally considered suitable for less experienced divers due to its mild conditions and manageable depths. However, always dive within your certification limits and with a reputable operator. For sites featuring swim-throughs or extensive boulder fields, appropriate buoyancy control and situational awareness are necessary. No specific unique hazards are consistently reported for the area, but standard safe diving practices, including pre-dive checks and buddy system adherence, remain essential.
Recommended Equipment
Overhead environment. Do not enter beyond training and gas planning limits.
- Dive Computer
- DSMB
- Primary & Backup Lights
- Reel / Spool
- Cutting Tool
This gear list is based on verified equipment signals for Angthong Marine Park, Thailand. Always confirm final gear choices with your dive operator, guide, or liveaboard.
Recommended Dive Suit
Dive skin or rash guard is frequently recommended by dive operators for conditions like these. Water conditions at Angthong Marine Park are currently measured at approximately 30°C (87°F). Surface air temperatures are resting at 30°C (86°F).
Forecast trends indicate little change in overall diving conditions during the next few days.
Even small thermoclines can occasionally cause noticeable changes in water temperature.
Due to technical issues with our weather providers, live updates are temporarily delayed. 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 Angthong Marine Park.
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 Angthong Marine Park
Diving here, you'll first notice the vibrant activity around the coral structures. Common encounters include numerous anemonefish, often schooling barracuda, and groups of batfish. Divers frequently spot groupers, various species of wrasse, and parrotfish moving along the reef. Observing blue-spotted stingrays resting on the sandy bottom or cuttlefish displaying their intricate color changes is possible. Moray eels occasionally peer from their crevices, and there's a chance to see sea turtles gracefully gliding through the water or even a sea snake making an appearance.
Dive Sites Near Angthong Marine Park
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Dive Centers Near Angthong Marine Park
Working Hours
Today: 09:00 - 19:00
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Nearest Airports
Nearest airports to help plan travel to this dive area.
Search Flights
Check available flights and routes on Expedia, using the nearby airports listed in this section.
Search Flights on ExpediaFrequently Asked Questions
What is the typical diving depth in Angthong Marine Park?
Dive sites in the park offer a range of depths suitable for recreational diving, typically from shallower sections at 5 m (16 ft) down to a maximum of 25 m (82 ft).
Is Angthong Marine Park suitable for beginner divers?
Yes, the park's gentle conditions and manageable depths make it a welcoming destination for beginner to intermediate divers. It's an excellent place to gain experience in a protected environment.
What kind of marine life can I expect to see?
The park is home to a diverse array of marine species, including anemonefish, barracuda, batfish, groupers, parrotfish, blue-spotted stingrays, cuttlefish, moray eels, sea turtles, and occasionally sea snakes.
What is the visibility like?
Visibility in Angthong Marine Park can range from 10 to 20 meters, depending on the season and prevailing weather conditions.
Are there strong currents in the park?
The park is generally not known for strong currents. Conditions are often calm, though slight water movement may occur in specific areas or channel sections.
How do I get to Angthong Marine Park for diving?
Most scuba diving excursions to Angthong Marine Park depart from nearby islands such as Koh Samui or Koh Phangan, typically as part of a day trip with licensed dive operators.
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Angthong Marine Park
Conditions are Good
Best Dive Window
Optimal conditions expected
Current conditions near Angthong Marine Park show 30° air, 30° sea temperature, 0.3 m waves, and 29 km/h wind. Forecast data is refreshed regularly to ensure accuracy.