A private speedboat from Koh Samui zips you across clear blue water to Koh Rap, Koh Tan and the pig-friendly Koh Madsum. Snorkel vibrant reefs, stroll sandbars at low tide, and learn local island rhythms on a 5–6 hour half-day escape.
More ways to explore the area's outdoor wonders
Morning light slashes across the Gulf of Thailand as a private speedboat lifts from Koh Samui’s pier, spray hissing and engine steady. In three hours you cross to Koh Rap, Koh Tan and Koh Madsum, islands that feel like sudden islands of concentrated sea; reefs crowd with color and beaches open like stages.
Difficulty
easy
Duration
5–6 hours
Fitness Level
Suitable for most travelers with basic mobility; some agility required for boarding and shallow-water snorkeling.
Wildlife
History
These islands have long supported local fishers and small coconut farms; Koh Samui’s rise as a tourist hub accelerated in the late 20th century.
Conservation
Coral reefs here are sensitive to snorkeling pressure—use reef-safe sunscreen, avoid standing on coral, and support operators who follow no-touch policies.
Reserve your spot on the Private Speedboat Tour to Koh Madsum Koh Tan and Koh Rap today and enjoy a trusted, highly rated experience designed to help you make the most of your adventure.
Use reef-safe sunscreen
Apply reef-safe sunscreen before boarding and reapply sparingly after snorkeling to protect coral and marine life.
Bring a snorkel vest
Even if you’re a confident swimmer, a vest adds buoyancy around shallow reefs and when currents pick up.
Carry small cash
Vendors on the islands may only accept cash for snacks or souvenirs—bring small bills.
Avoid feeding wildlife
Do not feed or touch the pigs on Koh Madsum to prevent stress and disease transmission.
Reef-safe sunscreen
Protects skin and coral while preventing UV damage during long sun exposure.
summer
Mask & snorkel
A personal mask fits better than shared gear and improves visibility while snorkeling.
Water shoes
Protect feet on rocky shores and when stepping onto sandbars at low tide.
Dry bag (5–10L)
Keeps phone, money and sunscreen dry during boat transfers and while on shore.