Adults-Only Koh Samui Boat Tours

Short answer: Yes. 1 tour qualify, including Ang Thong National Marine Park Tour by Big Boat from Koh Samui (Click2GoThailand.com). Updated 2026-11-02

We checked 19 boat tours in Koh Samui; 19 state adults only details in the listing. 1 tour of the 19 that mention it qualifies: Ang Thong National Marine Park Tour by Big Boat from Koh Samui (Click2GoThailand.com). 18 say no.

TourAdults onlyOperatorFrom
Pig Island Tour by Speedboat with Snorkeling Children allowedHappy Samui$56Check dates
Snorkeling Tour Koh Tao & Koh Nang Yuan from Samui by Speedboat Children allowedKoh Samui Tour & Transportation$58Check dates
Ang Thong National Marine Park Tour by Big Boat from Koh Samui Adults onlyClick2GoThailand.com$39Check dates
Ang Thong National Marine Park Speedboat from Koh Samui Children allowedClick2GoThailand.com$63Check dates
Snorkeling and Kayaking Tour at Angthong Marine Park by Speedboat from Koh Samui Children allowedOh-Hoo$60Check dates
Koh Samui: Koh Tao & Koh Nang Yuan Snorkeling Tour by Speed Boat Children allowedBackpacker Samui Travel$60Check dates
Koh Samui to Angthong National Marine Park Trip By Big Boat Children allowedOh-Hoo$33Check dates
Pig Island ,Snorkeling, Private Long Tail Boat (Local Thai Experience) Children allowedBackpacker Samui Travel$106Check dates
Koh Tao & Koh Nangyuan by Speed Boat (Snorkeling trip from Koh Samui) Children allowedMy Samui Trip$55Check dates
Koh Samui: Angthong National Marine Park 42-Island Speedboat Tour Children allowedBackpacker Samui Travel$63Check dates
Koh Samui: Angthong Marine Park Premium Catamaran Experience Children allowedHappy Samui$88Check dates
Koh Tan and Pig Island Speed Catamaran Tour from Koh Samui Children allowedOh-Hoo$58Check dates
Koh Samui Ang Thong Big Boat Snorkeling with Optional Kayaking Children allowedSiam Scape Journeys$40Check dates
Pig Island Tour by Teak Cruise with Snorkeling From Koh Samui Children allowedHighsea Tour$30Check dates
Koh Samui: Pig Island Sightseeing & Snorkeling by Catamaran Children allowedBackpacker Samui Travel$56Check dates
Koh Samui: Angthong Catamaran Tour with Kayak, Snorkel, and Lunch Children allowedOh-Hoo$85Check dates
Pink Dolphin and Pig Island by Speedboat from Koh Samui Children allowedOh-Hoo$54Check dates
Koh Tao Scuba Diving Tour from Koh Samui: 2 Dive Sites and Lunch Children allowedOh-Hoo$108Check dates
Koh Samui Angthong Marine Park Snorkeling Trip by Speedboat Children allowedSiam Scape Journeys$70Check dates

Questions

Are there adults-only Koh Samui boat tours?

Yes. 1 tour qualify, including Ang Thong National Marine Park Tour by Big Boat from Koh Samui (Click2GoThailand.com).

How up to date is this information?

We last checked these listings on 2026-11-02 and re-check every listing monthly. Operators can change their rules, so confirm before you book.

Restrictions come from each tour’s listing on GetYourGuide or Viator: the suitability notes, “Know before you go”, booking rules, and what is and isn’t included. Last checked 2026-11-02. Operators change rules, so confirm before you book.

More about boat tours in Koh Samui

Adults only: boat tours elsewhere

More tours on GetYourGuide

See all on GetYourGuide →