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Yes, been there a few times. Koh Samui was the first island I visited 2009.

You have certainly gotten around it would have been a little less developed in 2009 probably less crowded till when i was there not so long ago.

Can´t remember much but it was definitely already crowded. If you can go again anytime I recommend Koh Mak near Koh Chang in the Trat area. This is paradise

Thanks for that info I did hear that from someone else but I reckon there are countless beautiful island in that country always hard to choose 🤣

True, also this is already a few years back so today it might be totally crowded 😂

Actually talking to @world-travel-pro it's the best time to be traveling to Thailand at the moment no crowds and much more peaceful and clean on the beaches.