Koh SamuiWater activities
Koh SamuiWater activities

Top Picks for Koh Samui Water activities

Discover 10 Water activities in Koh Samui on Trip.com, updated October 26, 2025, with experiences lasting from 1 to 72 hours. Find the perfect adventure for your day!

From AUD 72.22 per person, with an average total of AUD 442.99. Choose the option that suits your plan.

With 300 verified reviews, Water activities Koh Samui boast an average rating of 4.8.

This week's most popular Water activities: "La Bombona Diving Koh Tao Open Water Course", with 166 reviews and a 5 rating.

Now on Trip.com: "1-Day Koh Samui & Koh Tao Deep Diving + Discovery Divers Experience (Certified/Non-Certified Diving & Freediving with Transfer)", a 7-hour adventure in Koh Samui!

The next available day tour departs on October 27, 2025. Book now to secure your spot!

Koh Samui Water activities usually take about 7 hours — perfect for a relaxed, immersive experience!

100% of Koh Samui Water activities now offer English-speaking guides

October is the perfect time to visit Koh Samui! Choose from Water activities available day tours, including seasonal favorites like La Bombona Diving Koh Tao Open Water Course.

Your trip, worry-free! All day tours are run by licensed suppliers with verified reviews, and many include free cancellation before departure.

Search attractions or local attractions & tours
Available Today
Available Tomorrow

10 Results for Koh Samui Water activities

  • 1-Day Koh Samui & Koh Tao Deep Diving + Discovery Divers Experience (Certified/Non-Certified Diving & Freediving with Transfer)

    1-Day Koh Samui & Koh Tao Deep Diving + Discovery Divers Experience (Certified/Non-Certified Diving & Freediving with Transfer)

    󱩳Discovery Diving Center is a PADI 5-star Instructor Development Center located in Koh Samui
    Duration: 7 hrs
    English
    5.0/5
    Excellent· 1 review· 59 booked
    FromAU$161.30
  • 4–8 hr diving and snorkeling experience at Tean Island, Koh Samui [1-day tour/half-day tour to Koh Tao/Koh Nang Yuan/Pig Island by speedboat + meal included]

    4–8 hr diving and snorkeling experience at Tean Island, Koh Samui [1-day tour/half-day tour to Koh Tao/Koh Nang Yuan/Pig Island by speedboat + meal included]

    󱩳Check in at this diving hotspot and swim happily with the piggies.
    Duration: 1 day
    English
    FromAU$79.58
  • Experience diving and snorkeling in Kanondan Island, Thailand for 7 hours [[Depart from Koh Samui] Pink Dolphin Discovery Tour Speedboating one-day tour]

    Experience diving and snorkeling in Kanondan Island, Thailand for 7 hours [[Depart from Koh Samui] Pink Dolphin Discovery Tour Speedboating one-day tour]

    󱩳Chasing pink dolphins, full of girlish heart
    Duration: 1 day
    English
    5.0/5
    Excellent· 1 review
    FromAU$107.61
  • Samui Boat Charter, Private Speedboat Charter, Angthong National Marine Park

    Samui Boat Charter, Private Speedboat Charter, Angthong National Marine Park

    Duration: 8 hrs
    English
    4.9/5
    Excellent· 47 reviews
    FromAU$2,175.76
  • Mr. Tu Fishing Day Trip by Escort Boat from Koh Samui

    Mr. Tu Fishing Day Trip by Escort Boat from Koh Samui

    Duration: 390 mins
    English
    4.3/5
    Good· 3 reviews
    FromAU$72.22
  • Snorkeling & Island Hopping

    Snorkeling & Island Hopping

    Duration: 4 hrs
    English
    4.5/5
    Satisfactory· 65 reviews
    FromAU$808.78
  • Experience diving Diving in Koh Samui, Thailand - OW/AOW Certification Exam (8 Hours) [Koh Samui Scuba Diving one-day tour(Experienced Instructor) (Certification Available)]

    Experience diving Diving in Koh Samui, Thailand - OW/AOW Certification Exam (8 Hours) [Koh Samui Scuba Diving one-day tour(Experienced Instructor) (Certification Available)]

    󱩳Discover diving one-day tour
    Duration: 8 hrs
    English
    FromAU$172.52
  • PADI Discover Scuba Diving in Koh Tao - half day and two dives

    PADI Discover Scuba Diving in Koh Tao - half day and two dives

    Duration: 6 hrs
    English
    4.6/5
    Satisfactory· 17 reviews
    FromAU$144.43
  • La Bombona Diving Koh Tao Open Water Course

    La Bombona Diving Koh Tao Open Water Course

    Duration: 72 hrs
    English
    5.0/5
    Excellent· 166 reviews
    FromAU$625.84
  • CocoTipAdventures and Snorkel with Meals-BBQs-Cocktail-Sunset

    CocoTipAdventures and Snorkel with Meals-BBQs-Cocktail-Sunset

    Duration: 7 hrs
    English
    FromAU$81.85

Frequently asked questions about Koh Samui Water activities

How many Water activities are available in Koh Samui on Trip.com?

What are the best Water activities in Koh Samui?

What are the top-rated Water activities in Koh Samui?

How can I contact Trip.com customer support?

Can I change or cancel my booking?

How can I get discounted prices?