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Scuba Equipment Sizing Guide

Use these BCD and wetsuit measurements to help choose the most suitable rental equipment size for your trip.

BCD size guide

MeasurementXSSMLXL
Height152–165 cm157–170 cm170–180 cm180–185 cm185–190 cm
Weight45–56 kg54–70 kg68–77 kg77–95 kg88–109 kg
Waist range79–91 cm89–104 cm94–109 cm97–112 cm102–119 cm

Wetsuit size guide

Measurements are in centimetres.

MeasurementXXSXSSMLXLXXLXXXL
Chest798387919599103107
Waist6569737781858993
Hips8084889296100104108
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Find your island adventure

Which Similan Islands Trip Is Right For You?

A day of beach time and snorkelling, an early arrival at the islands, or more time exploring beneath the surface—which adventure will be yours?

Snorkelling · Classic

Classic Similan Islands Trip

The straightforward full-day choice with hotel transfer, island visits, guided snorkelling, meals and national-park fees included.

View the Classic trip

Snorkelling · Earlier start

Early Bird Similan Islands Trip

For travellers happy with a very early collection who want to reach the national park before the main daytime crowds.

View the Early Bird trip

Certified divers

Scuba Diving Day Trips

Enjoy two guided dives at the Similan Islands, Surin Islands or Richelieu Rock. Find the adventure that matches your certification and experience.

Compare scuba day trips

Multi-day diving

Similan Islands Liveaboards

Compare the current two-, three- and four-day experiences. Route, cabin, dates and diver suitability are confirmed before payment.

Compare liveaboards
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