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Thailand

Similan

Similan in Thailand is organized on WhereDive as a practical diving destination page. It is designed to help divers compare season, difficulty, current, visibility, and travel logistics before choosing specific dive operators or underwater sites.

For trip planning, Similan is most relevant to divers interested in reef diving, wreck diving, drift diving, macro photography and manta ray encounters, with likely highlights including manta rays, coral gardens, reef fish and schooling fish and nudibranchs and macro life. The baseline difficulty is best for advanced divers; OW divers should prioritize shallow, low-current guided dives, while AOW and experienced divers can evaluate boat dives, drift conditions, or deeper profiles where available.

Similan diving travel hero image

Best season

Jan, Feb, Mar, Apr, May, Oct, Nov, Dec

Suitable levels

AOW divers / Advanced divers / Beginner divers / Underwater photographers / Liveaboard travelers

Dive sites

31

View dive sites →

Recommended level

Advanced

Current

Medium

Similan Diving Overview

The best months to consider are Jan, Feb, Mar, Apr, May, Oct, Nov, Dec. Visibility varies with season, tide, and rainfall, and the current is best treated as medium. The reference page surfaces about 31 underwater site leads, so final dive plans should still be checked against recent sea conditions, operator briefings, marine park rules, and logged-dive requirements.

Best for

AOW diversAdvanced diversBeginner diversUnderwater photographersLiveaboard travelers

Highlights

  • • Similan, Thailand destination page for season and level planning
  • • Recommended months: Jan, Feb, Mar, Apr, May, Oct, Nov, Dec
  • • Best for: reef diving, wreck diving, drift diving, macro photography and manta ray encounters
  • • Likely highlights: manta rays, coral gardens, reef fish and schooling fish and nudibranchs and macro life
  • • Difficulty reference: best for advanced divers; current reference: medium

What this page helps you decide

If you are comparing Similan by season, diver level, and offshore sites, liveaboards, and seasonal windows, this page helps you narrow the trip before contacting operators.

Related search topics

liveaboard diving destinationsadvanced dive sitesThailand diving

Season & Conditions

Prioritize Jan, Feb, Mar, Apr, May, Oct, Nov, Dec for easier dive scheduling, course planning, or fun dives. The reference also flags Jun, Jul, Aug, Sep as potentially closed or less suitable for diving.

Travel Planning

  • • For Similan, confirm the nearest airport, harbor, boat time, and transfer window before booking dives or liveaboards.
  • • Reference transport notes suggest combining land and boat transfers; always check current schedules and weather notices.
  • • Compare dive packages, gear rental, island fees, and transfer costs when budgeting.

Dive types

ReefWreckDriftMacroManta

Marine life

manta raycoralreef fishnudibranch

Keep planning this trip

Dive sites in this destination

Similan diving destination view
AOW Medium

Anita’s Reef

Thailand / Similan

Max depth
28 m
Best months
Jan, Feb, Mar, Apr, May, Oct, Nov, Dec
Reef
  • • Similan dive-site lead for reef diving
  • • Reference depth: 5-28 m
View details →
Similan diving destination view
AOW Medium

Barracuda Point

Thailand / Similan

Max depth
40 m
Best months
Jan, Feb, Mar, Apr, May, Oct, Nov, Dec
ReefMacro
  • • Similan dive-site lead for reef diving and macro photography
  • • Reference depth: 10-40 m
View details →
Similan diving destination view
AOW Medium

Beacon Point

Thailand / Similan

Max depth
40 m
Best months
Jan, Feb, Mar, Apr, May, Oct, Nov, Dec
Reef
  • • Similan dive-site lead for reef diving
  • • Reference depth: 10-40 m
View details →
Similan diving destination view
AOW Medium

Beacon Reef

Thailand / Similan

Max depth
35 m
Best months
Jan, Feb, Mar, Apr, May, Oct, Nov, Dec
Reef
  • • Similan dive-site lead for reef diving
  • • Reference depth: 5-35 m
View details →
Similan diving destination view
AOW Medium

Bird Rock

Thailand / Similan

Max depth
40 m
Best months
Jan, Feb, Mar, Apr, May, Oct, Nov, Dec
ReefWreckDrift
  • • Similan dive-site lead for reef diving, wreck diving, drift diving, macro photography and manta ray encounters
  • • Reference depth: 20-40 m
View details →
Similan diving destination view
AOW Medium

Boonsung Wreck

Thailand / Similan

Max depth
20 m
Best months
Jan, Feb, Mar, Apr, May, Oct, Nov, Dec
Wreck
  • • Similan dive-site lead for wreck diving
  • • Reference depth: 18-20 m
View details →
Similan diving destination view
AOW Medium

Boulder City

Thailand / Similan

Max depth
40 m
Best months
Jan, Feb, Mar, Apr, May, Oct, Nov, Dec
Reef
  • • Similan dive-site lead for reef diving
  • • Reference depth: 12-40 m
View details →
Similan diving destination view
AOW Medium

Breakfast Bend

Thailand / Similan

Max depth
25 m
Best months
Jan, Feb, Mar, Apr, May, Oct, Nov, Dec
Reef
  • • Similan dive-site lead for reef diving
  • • Reference depth: 5-25 m
View details →
Similan diving destination view
AOW Medium

Chinese Wall

Thailand / Similan

Max depth
40 m
Best months
Jan, Feb, Mar, Apr, May, Oct, Nov, Dec
ReefWall
  • • Similan dive-site lead for reef diving and wall diving
  • • Reference depth: 10-40 m
View details →
Similan diving destination view
AOW Medium

Christmas Point

Thailand / Similan

Max depth
40 m
Best months
Jan, Feb, Mar, Apr, May, Oct, Nov, Dec
Reef
  • • Similan dive-site lead for reef diving
  • • Reference depth: 10-40 m
View details →
Similan diving destination view
AOW Medium

Deep Six

Thailand / Similan

Max depth
40 m
Best months
Jan, Feb, Mar, Apr, May, Oct, Nov, Dec
Reef
  • • Similan dive-site lead for reef diving
  • • Reference depth: 10-40 m
View details →
Similan diving destination view
AOW Medium

Donald Duck Bay

Thailand / Similan

Max depth
20 m
Best months
Jan, Feb, Mar, Apr, May, Oct, Nov, Dec
ReefMacro
  • • Similan dive-site lead for reef diving and macro photography
  • • Reference depth: 10-20 m
View details →
Similan diving destination view
AOW Medium

East Of Eden

Thailand / Similan

Max depth
40 m
Best months
Jan, Feb, Mar, Apr, May, Oct, Nov, Dec
Reef
  • • Similan dive-site lead for reef diving
  • • Reference depth: 10-40 m
View details →
Similan diving destination view
AOW Medium

Elephant Head Rock

Thailand / Similan

Max depth
40 m
Best months
Jan, Feb, Mar, Apr, May, Oct, Nov, Dec
Reef
  • • Similan dive-site lead for reef diving
  • • Reference depth: 18-40 m
View details →
Similan diving destination view
AOW Medium

Hideaway Bay

Thailand / Similan

Max depth
20 m
Best months
Jan, Feb, Mar, Apr, May, Oct, Nov, Dec
Macro
  • • Similan dive-site lead for macro photography
  • • Reference depth: 5-20 m
View details →
Similan diving destination view
AOW Medium

Honeymoon Bay

Thailand / Similan

Max depth
26 m
Best months
Jan, Feb, Mar, Apr, May, Oct, Nov, Dec
Reef
  • • Similan dive-site lead for reef diving
  • • Reference depth: 5-26 m
View details →
Similan diving destination view
AOW Medium

Koh Bon

Thailand / Similan

Max depth
40 m
Best months
Jan, Feb, Mar, Apr, May, Oct, Nov, Dec
ReefManta
  • • Similan dive-site lead for reef diving and manta ray encounters
  • • Reference depth: 10-40 m
View details →
Similan diving destination view
AOW Medium

Koh Tachai

Thailand / Similan

Max depth
40 m
Best months
Jan, Feb, Mar, Apr, May, Oct, Nov, Dec
Reef
  • • Similan dive-site lead for reef diving
  • • Reference depth: 12-40 m
View details →
Similan diving destination view
AOW Medium

Mooring Bay

Thailand / Similan

Max depth
20 m
Best months
Jan, Feb, Mar, Apr, May, Oct, Nov, Dec
ReefMacro
  • • Similan dive-site lead for reef diving and macro photography
  • • Reference depth: 5-20 m
View details →
Similan diving destination view
Advanced Medium

North Point

Thailand / Similan

Max depth
45 m
Best months
Jan, Feb, Mar, Apr, May, Oct, Nov, Dec
ReefMacro
  • • Similan dive-site lead for reef diving and macro photography
  • • Reference depth: 5-45 m
View details →
Similan diving destination view
AOW Medium

Princess Bay

Thailand / Similan

Max depth
20 m
Best months
Jan, Feb, Mar, Apr, May, Oct, Nov, Dec
Macro
  • • Similan dive-site lead for macro photography
  • • Reference depth: 5-20 m
View details →
Similan diving destination view
AOW Medium

Richelieu Rock

Thailand / Similan

Max depth
40 m
Best months
Jan, Feb, Mar, Apr, May, Oct, Nov, Dec
Reef
  • • Similan dive-site lead for reef diving
  • • Reference depth: 5-40 m
View details →
Similan diving destination view
AOW Medium

Shark Fin Reef

Thailand / Similan

Max depth
40 m
Best months
Jan, Feb, Mar, Apr, May, Oct, Nov, Dec
Reef
  • • Similan dive-site lead for reef diving
  • • Reference depth: 8-40 m
View details →
Similan diving destination view
AOW Medium

Stonehenge

Thailand / Similan

Max depth
40 m
Best months
Jan, Feb, Mar, Apr, May, Oct, Nov, Dec
ReefWreckDrift
  • • Similan dive-site lead for reef diving, wreck diving, drift diving, macro photography and manta ray encounters
  • • Reference depth: 10-40 m
View details →
Similan diving destination view
AOW Medium

Taiwanese Tuna Wreck

Thailand / Similan

Max depth
40 m
Best months
Jan, Feb, Mar, Apr, May, Oct, Nov, Dec
Wreck
  • • Similan dive-site lead for wreck diving
  • • Reference depth: 20-40 m
View details →
Similan diving destination view
AOW Medium

Three Trees

Thailand / Similan

Max depth
25 m
Best months
Jan, Feb, Mar, Apr, May, Oct, Nov, Dec
Macro
  • • Similan dive-site lead for macro photography
  • • Reference depth: 5-25 m
View details →
Similan diving destination view
Advanced Medium

Torolina Pinnacle

Thailand / Similan

Max depth
60 m
Best months
Jan, Feb, Mar, Apr, May, Oct, Nov, Dec
ReefWall
  • • Similan dive-site lead for reef diving and wall diving
  • • Reference depth: 20-60 m
View details →
Similan diving destination view
AOW Medium

Torolina Reef

Thailand / Similan

Max depth
40 m
Best months
Jan, Feb, Mar, Apr, May, Oct, Nov, Dec
ReefMacro
  • • Similan dive-site lead for reef diving and macro photography
  • • Reference depth: 10-40 m
View details →
Similan diving destination view
AOW Medium

Turtle Rock

Thailand / Similan

Max depth
25 m
Best months
Jan, Feb, Mar, Apr, May, Oct, Nov, Dec
Reef
  • • Similan dive-site lead for reef diving
  • • Reference depth: 10-25 m
View details →
Similan diving destination view
AOW Medium

Waterfall Bay

Thailand / Similan

Max depth
25 m
Best months
Jan, Feb, Mar, Apr, May, Oct, Nov, Dec
Macro
  • • Similan dive-site lead for macro photography
  • • Reference depth: 5-25 m
View details →
Similan diving destination view
AOW Medium

West of Eden

Thailand / Similan

Max depth
25 m
Best months
Jan, Feb, Mar, Apr, May, Oct, Nov, Dec
Reef
  • • Similan dive-site lead for reef diving
  • • Reference depth: 12-25 m
View details →

Suggested itinerary

Plan 3 to 5 dive days, starting with a check dive before choosing signature Similan sites based on conditions. For liveaboards, confirm route and seasonal marine-life targets.

Getting there

Current transport guidance: confirm nearest airport, harbor transfer, boat time, and weather cancellation policy before booking.

FAQ

What is the best season for Similan? +

Prioritize Jan, Feb, Mar, Apr, May, Oct, Nov, Dec for easier dive scheduling, course planning, or fun dives. The reference also flags Jun, Jul, Aug, Sep as potentially closed or less suitable for diving.

Is Similan suitable for beginners? +

Similan has options that can work for OW or newer divers, but daily conditions and guide judgment still matter.

What is Similan best known for? +

Similan is best matched with reef diving, wreck diving, drift diving, with common highlights including manta rays, coral gardens, reef fish.