Our most popular Similan Island diving liveaboard cruises are 1-2 nights in length, but the most commonly-offered trip lengths are actually 4D4N & 3D3N. Therefore why would anyone choose, or why would a boat offer, a diving safari at the Similan Islands for 5 or more nights? Well, the answers are quite simple… including ‘why not?’ We have not only a good selection of 5D5N diving trips to the Similan & Surin Islands, but also trips of a week or more in length. Because the diving is so good, and the dive sites so numerous, it’s quite easy to spend 5 or more days and nights in this area and still not repeat any dive sites unnecessarily. Apart from Richelieu Rock, there is usually no need to dive more than once at a dive site unless there has been a particularly special encounter with marine life, such as a Whale Shark or Manta Ray. Even after the tsunami and some coral bleaching in recent years, the Similan Islands is still home to almost 20 wonderful dive sites. Then, a little further north, Koh Bon & Koh Tachai are more rewarding and slightly more challenging. Koh Bon has at least two dive distinctly different sites, and is famous for Manta Ray encounters during the second half of the diving season (February – April). Koh Tachai again has at least two areas to dive at, and although currents can be medium to strong here, the huge granite boulders and teeming marine life guarantee a good dive, plus there is always the chance of something big and special coming through. And, as previously mentioned, the world-famous Richelieu Rock is the best dive site in Thailand and usually dived up to 3 times in one day on most Similan liveaboard diving trips. Richelieu Rock is a submerged underwater pinnacle that is far from the nearest point of land. For an enjoyable 5D5N Similan liveaboard diving trip, you can choose from MV Oktavia, MV Manta Queen 8, MV Similan Explorer, some Andaman Tritan trips and Deep Andaman Queen (at peak season periods).
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