A half‑day speedboat trip from Koh Samui to Koh Tan and Koh Madsum combining guided snorkeling over shallow coral reefs with beach time and a Thai lunch. Ideal for travelers seeking accessible marine life viewing and a relaxed island stop.
A half‑day speedboat trip from Koh Samui to Koh Tan and Koh Madsum combining guided snorkeling over shallow coral reefs with beach time and a Thai lunch. Ideal for travelers seeking accessible marine life viewing and a relaxed island stop.
Verified experiences and guided adventures in the surrounding area.
Operated by Oh-Hoo · Koh Samui, Surat Thani
You step off the speedboat into a shallow world of turquoise that seems to push and pull at your snorkel, the sea daring you to look closer. The surface is a patchwork of sunlight and scattered coral bommies; beneath, schools of parrotfish thread between staghorn and brain coral while the boat idles a short swim from a white sand strip.
easy.
6 hours.
Suitable for most fitness levels; basic swimming ability and comfort in open water recommended
No — the tour is rated easy and provides life jackets; however, basic swimming comfort and the ability to float and tread water are recommended.
Yes, standard masks and life jackets are provided, but many travelers bring their own mask for comfort and fit.
Operators typically cancel for safety if seas are rough; their policy offers a full refund or rescheduling if canceled 24+ hours before departure or due to bad weather.
Yes children (usually 4–11) can join with a child ticket, but minors should be supervised and wear life jackets when required.
Koh Samui and its satellite islets developed around fishing and coconut plantations; local island life remains centered on small‑scale fishing and hospitality.
Coral reefs here are fragile—avoid anchoring on reefs, use reef‑safe sunscreen, and follow guides’ advice to limit contact with marine life.
Oh-Hoo operates guided outdoor trips and adventures with an emphasis on safety, stewardship, and memorable experiences.




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