Boulder City Suggest edit

Thailand Suggest · Phang-nga Province Suggest

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IntermediateDifficulty

AdvancedRecommended cert

30Max dive depth

30.0 mSite max depth

15.0–30.0 mVisibility

MildCurrent

ModerateSurge

50 minAvg dive time

November to AprilBest months

27.0–30.0 °CWater (summer)

25.0–28.0 °CWater (winter)

Overview

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Boulder City is a renowned dive site located in the Andaman Sea, part of the Similan Islands National Park. It is characterized by its impressive underwater rock formations and diverse marine life, making it a popular destination for divers.

The dive features large boulders creating swim-throughs and overhangs, with vibrant coral reefs and a variety of fish species. Divers can expect to see schools of tropical fish, nudibranchs, and occasionally larger pelagic species.

Conditions

Visibility: 15.0–30.0 m Suggest edit
Currents: Mild Suggest edit
Surge: Moderate Suggest edit
Water temp (summer): 27.0–30.0 °C Suggest edit
Water temp (winter): 25.0–28.0 °C Suggest edit

Logistics

Entry: Boat Suggest edit
Permits required: Yes
Diving in Similan Islands requires a national park permit.
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Bottom types:
rock coral sand Suggest edit

Photo tips

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Use a wide-angle lens to capture the boulders and marine life, and consider shooting during the early morning for optimal light.

Location

Underwater Moments at Boulder City

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