Koh Bulon Leh
Ko Bulon Leh · Bulon Le Island · Ko Bulon Le
6°59.6'N 99°40.4'E
Depth
4–18m
Bottom
sand
Alarm Radius
80m
Holding
Fair
Recommended Anchor Alarm Radius
80m
Set 80m radius in the main bay on the eastern side. Sandy patches between coral give fair holding — snorkel to verify. The island is a popular last Thai stop before Langkawi, Malaysia.
About This Anchorage
Koh Bulon Leh is the southernmost Thai Andaman island of significance for cruisers, positioned just north of the Malaysian border and frequently used as the final Thai anchorage before crossing to Langkawi. The island has a small Moken (sea gypsy) community and minimal tourism infrastructure. Beautiful beaches and good snorkeling. The main bay on the eastern side has fair holding over sand and coral in clear water.
Protected From
N · NE · E
Exposed To
SW · W · S
Anchoring Rules
- Anchoring fee
- Free
- Permit required
- No
Restrictions: Do not anchor on coral — verify sandy bottom before setting anchor. Respect the Moken community on the island.
Hazards
- !Coral reefs — snorkel before anchoring
- !Last Thai island before Malaysia — ensure customs clearance from Thailand done before departing south
- !Exposed to W/SW in SW monsoon
- !Remote location — limited services
Skipper's Tips
- →Clear out of Thailand at Pak Bara or Satun before heading south to Malaysia
- →The crossing to Langkawi is approximately 60nm — allow a full day passage
- →Stock up on supplies at Koh Lanta or Pak Bara before arriving
- →The Moken community is friendly but private — visit respectfully
Facilities
Small beach resort restaurant on the main beach
Nearest provisions: Pak Bara (mainland) (20nm)
Best Months & Season
November, December, January, February, March, April
NE monsoon season (November–April) only. An important cruising waypoint for boats heading to or from Malaysia during the sailing season.
Recommended Anchor Types
Nearby Anchorages
Set Your Anchor Alarm to 80m
Around the Phi Phi Islands and Krabi coast, swell can enter bays unexpectedly and the large Andaman tidal range means your position changes constantly. Safety Anchor Alarm monitors your GPS position continuously so you can enjoy the rock climbing, snorkeling, and sunsets with complete confidence.
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