Scuba Diving at Monkey Reef

Diving at Monkey Reef (Thailand)

Monkey Reef in Thailand serves as a versatile dive destination, appealing to those who appreciate both vibrant daytime exploration and captivating nocturnal encounters. An accessible entry point for new divers, its intricate details also engage experienced enthusiasts. A dynamic reef environment, it presents different facets depending on the time of day, making it a compelling choice for various skill levels.

Tonight's objective overview for Monkey Reef shows an air temperature of 29°C. The measured surface conditions include wave heights around 0.9 m. This environmental data is logged for the close of the day.

Dive Site Location & Key Facts

Max Depth18m / 59ft
Entry Typeboat
Water Typesalt
Dive Types
Reef

Dive Site Overview

Conditions at Monkey Reef reliably offer a sheltered dive experience, making it particularly valuable even during the monsoon season. A vibrant reef ecosystem defines its primary structure, characterized by extensive staghorn coral colonies that create thriving, intricate habitats.

Beyond underwater allure, the site doubles as a designated stop for eco-snorkel tours, enabling surface observation of resident monkey populations, adding a unique topside dimension. Reaching a maximum depth of 18 m (59 ft), its shallow profile and naturally sheltered position firmly establish it as an excellent spot for both snorkeling and entry-level diving. Day dives here reveal active diurnal communities, while nocturnal explorations often uncover distinctly different marine life.

Occasionally, glow plankton presents an unusual spectacle during night dives, adding an ethereal quality to the experience. Its blend of accessibility, varied underwater activity, and unique surface appeal contributes significantly to consistent popularity among diverse underwater enthusiasts, from new divers to those seeking relaxed exploration.

Monkey Reef

Conditions are Good

7/10
Confidence: 8/10
Indicates meteorological model agreement and data availability.
Best Dive Window

Optimal conditions expected

06:12
18:45
H: 10:45
L: 16:20
Air / Sea Temp
29° / 31°
Wave Height
0.9 m
Wind Speed
27 km/h WSW
Rain Chance
100%

Current conditions near Monkey Reef show 29° air, 31° sea temperature, 0.9 m waves, and 27 km/h wind. Forecast data is refreshed regularly to ensure accuracy.

Radius: ~12km
Updated: Aug 4, 2026, 12:38 local time
MARINE: OPEN-METEOWEATHER: YR.NO

Best Time to Dive

Seasonal planning for Monkey Reef often points to optimal diving conditions during Thailand's peak season, from November through April, when seas are calmer and visibility clearer. Climate data indicates excellent dive scores for January, February, and March. During these months, air temperatures average between 27.5°C (82°F) and 28.5°C (83°F). Minimal rainfall, ranging from 0.4 mm to 1.6 mm, contributes to stable conditions. Even from May to October, dive scores remain good; however, wave heights can increase slightly and rain averages higher. Water temperature for the site is not consistently reported, though regional trends suggest warmest waters occur from February to May, generally fluctuating between 27-30°C (81-86°F).

PEAK SEASON SCORE

90/100
Excellent

Scores combine air & water temps, waves, wind & rainfall for overall conditions.


BEST MONTHS TO DIVE

JAN
MAR
DEC
DIVE SCORE
(0–100)
89
JAN
89
FEB
91
MAR
84
APR
77
MAY
79
JUN
79
JUL
79
AUG
75
SEP
86
OCT
87
NOV
90
DEC
AIR TEMP (°C)
28
28
29
29
29
29
29
28
28
28
27
27
WATER TEMP (°C)
29
29
30
31
31
30
30
30
30
30
30
29
WAVES (M)
0.5
0.5
0.4
0.4
0.6
0.8
0.9
0.8
0.9
0.6
0.5
0.4
WIND (KM/H)
27
27
24
22
21
25
26
25
27
21
23
24
RAIN (MM)
0.4
0.8
1.6
4.6
8.7
6.7
7.0
8.1
10.5
9.2
8.6
2.8
DIVE SCORE GUIDE (0–100)
Excellent (90–100)
Very Good (80–89)
Good (70–79)
Moderate (50–69)
Poor (30–49)
Not Recommended (0–29)

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

Diver experience at Monkey Reef benefits from a gentle depth profile, reaching a maximum of 18 m (59 ft), making it accessible for varied certifications. Extensive staghorn coral colonies characterize its reef environment, providing shelter and structure for numerous species. Due to a sheltered positioning, calm conditions often prevail, ideal for entry-level training or relaxed explorations. Visibility varies, but clear conditions are generally present outside heavier rainfall periods. Primarily accessed by boat, conditions usually favor easy entries and exits. Divers should be aware of potential currents, not consistently reported, but capable of shifting based on tidal movements.

Dive Difficulty & Safety Guidelines

An expert approach to Monkey Reef emphasizes awareness of its unique sheltered environment and its suitability for various dive levels. Given its maximum depth of 18 m (59 ft), it's a site where proper buoyancy control is important to protect the delicate coral formations. PADI Advanced Open Water Diver training is suggested as useful for maximizing the experience, particularly for exploring the site's deeper sections or engaging in night diving.

Always dive with a buddy and conduct thorough equipment checks. No specific site-related hazards have been reported, making general safe diving practices paramount. Respect marine life by maintaining a safe distance and avoiding contact with corals or animals.

Recommended Equipment

  • Dive Computer
  • DSMB

This gear list is based on verified equipment signals for Monkey Reef, Thailand. Always confirm final gear choices with your dive operator, guide, or liveaboard.

Recommended Dive Suit

Comfort levels can also depend on how active a diver is during the dive.

The water around Monkey Reef is currently holding at approximately 31°C (88°F), setting the tone for today's dives. Surface air temperatures are resting at 29°C (84°F). When water temperatures fall within this range, many divers dive comfortably with dive skin or rash guard.

Weather projections show fairly stable environmental conditions ahead.

Monkey Reef conditions last reviewed: 12:38 local time (UTC+7), Aug 4, 2026

Emergency & Medical Support

Essential information to help you plan your dive trip to Monkey Reef.

Hyperbaric Chamber

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
24/7 Available

Divers Alert Network

Diving emergency assistance available through DAN World.

+1-919-684-9111
  • 24/7 emergency hotline
  • Diving medical assistance
  • Evacuation coordination
View official DAN emergency contacts

Emergency contacts are provided for reference. Always verify local emergency services before diving.

Marine Life at Monkey Reef

Marine life at Monkey Reef dramatically shifts between day and night, presenting distinct observation opportunities. During daylight hours, divers frequently encounter tigertail seahorses, cuttlefish, and various schools of yellow snappers and barracudas among coral structures.

As dusk settles and night descends, the reef undergoes a transformation. Nocturnal dives reveal different inhabitants, including frogfish, flying gurnards, and a diverse array of shrimp and crabs emerging from daytime hiding spots.

Observing glow plankton after dark sometimes adds an ethereal dimension to the night diving experience.

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Image contributors:Hans Hillewaert, Aquaimages + 1 more
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Dive Centers Near Monkey Reef

Phi Phi Cabana Diving
1.8 km away
4.9| 438 reviews
Today: 08:00 - 21:00
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Tue08:00 - 21:00
Wed08:00 - 21:00
Thu08:00 - 21:00
Fri08:00 - 21:00
Sat08:00 - 21:00
Hidden Depths Diving
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Phoenix Koh Lanta
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Fast Manta Diving Krabi
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Krabi Scuba Club
Krabi Scuba Club
4.6(185)• 34.5 km
Kon-Tiki Krabi
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Nava Scuba Diving
Nava Scuba Diving
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Nearest Airports

Nearest airports to help plan travel to this dive area.

Krabi International AirportKBV
48 km
Phuket International AirportHKT
66 km
Trang AirportTST
97 km
💵Currency:THB

Search Flights

Check available flights and routes on Expedia, using the nearby airports listed in this section.

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Frequently Asked Questions

What is the maximum depth at Monkey Reef?

Monkey Reef offers a gentle dive profile, reaching a maximum depth of 18 m (59 ft). This depth makes it suitable for divers with various certification levels.

Is Monkey Reef suitable for night diving?

Yes, Monkey Reef is an excellent location for night diving. The site's marine life changes significantly after dark, and there's a possibility of observing glow plankton.

What kind of marine life can be seen during the day?

During the day, you can expect to see tigertail seahorses, cuttlefish, yellow snappers, and barracudas inhabiting the staghorn coral colonies.

When is the best time to dive at Monkey Reef?

The optimal diving period aligns with Thailand's peak season, from November to April, offering calmer seas and clearer visibility. However, good diving conditions can extend throughout the year.

Is this site good for beginners?

Monkey Reef is suitable for beginners due to its sheltered nature and maximum depth of 18 m (59 ft). It's also a recommended spot for snorkeling.

Are there actual monkeys visible at this site?

While the reef is underwater, it's associated with areas where monkeys can be seen. Eco-snorkel tours often visit the site, providing opportunities to observe monkeys on shore.

What training is recommended for diving here?

The PADI Advanced Open Water Diver certification is suggested to enhance your dive experience, particularly for exploring deeper sections of the reef and night diving.

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