Thailand > Andaman Sea
1 Dive Sites / 0 Resorts / 0 Shops
Monthly diving conditions and seasonal highlights
Hover over a month to see detailed conditions, temperatures, and marine life highlights
The Similan Islands are only open from October to May. Peak conditions occur November through April with crystal-clear waters reaching 30m+ visibility.
1 photo from dive sites
Nearest airports and common travel routes
Travel time: 2-3 hours by road to Khao Lak then speedboat to Similans
Direct flights from Singapore, Kuala Lumpur, Hong Kong, Seoul, and many European cities
Entry requirements for traveling to Similan Islands
Standard Thai visa policy applies. Similan Islands National Park is only open mid-October to mid-May.
Visa requirements can change. Always verify current entry requirements with the official embassy or consulate before traveling. Last updated: March 2026.
Approximate prices in THB (฿) with approximate USD equivalents
Similan Islands are only accessible via liveaboard or day trips from Khao Lak. Day trip prices include national park fees.
Similan Islands has 1 dive site listed on Diveity, spread across a single area within the location.
Conditions vary by season and by site, so there's no single answer for the whole location. Check each dive site's page for depth, visibility, and current details, or ask a local dive shop or resort in Similan Islands for current-season advice.
Sites in Similan Islands range from shallow reefs and shore entries to walls, wrecks, and drift dives, depending on the specific location. Browse the site list to compare depth, visibility, and marine life before you pick where to dive.
Most dive sites call for at least an Open Water certification, and some deeper or more advanced sites require further training. Dive shops and resorts in Similan Islands can also arrange courses if you are not yet certified.
Plan your next diving adventure. Browse dive sites, find the perfect resort, and connect with local dive operators.
Similan Islands is a diving area with 1 dive site to explore.
You'll find no dive resorts and no dive shops serving the area.
Plan your trip with verified dive sites, resorts, and shops on Diveity.
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Dive Resorts
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Dive Shops
Asia/Bangkok
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