Information: This popular day excursion takes you to some 40 protected limestone islands about 30 km northwest of Ko Samui, the tallest reaching up to 400m and mostly covered in tropical rain forest; altogether beautiful and safe sanctuaries to dozens of bird species and other mammals.

The park headquarters (where most boats stop) is on Ko Wua Talab and a 400 metre climb to the peak offers superb panoramic views. Other islands have spectacular stalactite and stalagmite formations, and there is a lovely saltwater lake on Ko Mae Ko; a major attraction, but requiring a fairly strenuous climb in the heat of the day. For those in shape, a better and more adventurous way to explore this area is to book a one-day Kayaking Tour around the marine park, admiring the attractions close up, including fascinating rock formations, limestone cliffs, secret caves and alluring grottoes. Big Game Fishing day trips can also be arranged during your stay on Koh Phangan.

Information: The Lake was created from the quarry the locals used to mine tin until about 40 years ago. The Lake now is used as recreational area. During the hot months many people flock to the lake to cool down and relax under the shady trees. If you want to swim, be careful: the rope line crossing the lake is only a guide, it is not a safety rope. Nearby you will also find a couple of rope swings.