Best Boat Trips from Koh Samui & Koh Phangan – Top Islands & Private Routes
Planning a private boat trip from Koh Samui or Koh Phangan? Discover tropical islands, secluded beaches, great snorkeling spots and beautiful coastal scenery in the Gulf of Thailand.
Choose a luxury yacht, spacious catamaran or private speedboat for half-day trips, full-day island hopping and sunset cruises with Siam Boats.
All our boat trips are private, with a professional captain and crew. Choose your destination and explore at your own pace!
Which Boat Trip Should You Choose?
• Best for snorkeling: Koh Tao & Koh Nang Yuan
• Best for nature and scenery: Ang Thong Marine Park
• Best for a half-day trip: Pig Island & Koh Tan, or cruises around Koh Phangan and Koh Samui
• Best for secluded beaches: Koh Phangan
• Best for luxury cruising: Around Koh Samui
• Best for a romantic experience: Private sunset cruise
Best Islands to Visit by Boat from Koh Samui & Koh Phangan
From short coastal cruises to full-day island hopping, explore these popular destinations by private yacht, catamaran or speedboat.
1. Ang Thong National Marine Park – Spectacular Islands & Lagoons
Departure: Koh Samui or Koh Phangan
Duration: Full day
Discover Ang Thong Marine Park, famous for its limestone cliffs, emerald lagoons and tropical islands. Enjoy snorkeling, scenic beaches and breathtaking viewpoints.
Best boat options: Private speedboats, selected catamarans and yachts.
2. Koh Tao & Koh Nang Yuan – Best for Snorkeling
Departure: Koh Samui or Koh Phangan
Duration: Full day
Koh Tao is known for coral reefs and colorful marine life, while Koh Nang Yuan features a beautiful sandbar and panoramic views. Perfect for swimming, snorkeling and island exploration.
Best boat options: Private speedboats, motor yachts and selected long-range catamarans from Koh Phangan, such as C'est la Vie 1.
3. Pig Island (Koh Madsum) & Koh Tan – Perfect for a Relaxed Island Escape
Departure: Koh Samui
Duration: Half day or full day
Visit Pig Island, where friendly pigs roam the beach, and explore the clear waters around Koh Tan. Ideal for swimming, snorkeling and a relaxing private boat trip.
Best boat options: Speedboats, catamarans and private yachts, including Blue Coco and the Diamante speedboat.
4. Koh Phangan – Hidden Beaches & Tropical Bays
Departure: Koh Samui or Koh Phangan
Duration: Half day or full day, depending on the boat and departure point
Explore Koh Phangan's coastline, including Haad Rin, Haad Yuan, Thong Nai Pan and secluded northern bays. Enjoy swimming, snorkeling and beach stops away from crowded tours.
Best boat options: Private speedboats, catamarans and luxury yachts.
Discover our private catamaran charters in Koh Phangan.
5. Around Koh Samui – Beautiful Coastline & Secluded Bays
Departure: Koh Samui or Koh Phangan
Duration: Half day or full day, depending on route
Discover Koh Samui's tropical beaches, peaceful bays and scenic coastline. Enjoy swimming, relaxing on deck and beautiful sea views.
Best boat options: Luxury yachts, catamarans and private speedboats. Explore our Koh Samui catamaran charter options.
6. Koh Som – A Quiet Island Near Koh Samui
Departure: Northern Koh Samui
Duration: Half day
Koh Som is a small tropical island near Samui's northern coast, perfect for a short, relaxing cruise. Enjoy peaceful surroundings and beautiful sea views.
Best boat options: Catamarans and yachts departing from suitable northern Samui locations, including Scarlett.
7. Sunset Cruises – A Romantic Evening at Sea
Departure: Koh Samui or Koh Phangan
Duration: Approximately 2–4 hours, depending on the boat
Enjoy a private sunset cruise over the Gulf of Thailand. Ideal for couples, proposals, birthdays, anniversaries and evenings with friends.
Best boat options: Private catamarans, luxury yachts and selected speedboats.
Routes and activities depend on the boat, departure point, duration, park regulations and weather. National park visits are subject to seasonal closures.
Which Boat Should You Choose – Catamaran, Speedboat or Yacht?
• Private Speedboat – Ideal for island hopping, snorkeling and visiting multiple destinations. Particularly practical for longer routes such as Koh Tao and Ang Thong Marine Park.
• Private Catamaran – Spacious decks, shaded seating and comfortable relaxation areas. Popular for families, birthdays, sunset cruises and trips around Koh Samui or Koh Phangan.
• Luxury Motor Yacht – Premium comfort, privacy and elegant facilities. Perfect for special occasions, celebrations and coastal cruises.
Siam Boats offers private charters for couples, families and large groups.
Half-Day or Full-Day Private Boat Trip?
Half-Day Boat Charter (4–5 Hours)
Ideal for nearby islands, snorkeling and coastal cruises. Popular routes include Pig Island & Koh Tan, Koh Phangan and short trips around Koh Samui.
Full-Day Boat Charter (8–10 Hours or Longer)
Recommended for Ang Thong Marine Park, Koh Tao & Koh Nang Yuan, longer island-hopping trips and coastal routes. Enjoy more time for swimming, snorkeling and sightseeing.
Explore our Full-Day Cruise in the Gulf of Thailand for more details.
Private Sunset Cruise
A shorter evening cruise with beautiful views, ideal for couples and groups. Discover our Sunset Cruise options.
Departing from Koh Samui or Koh Phangan – What's the Difference?
Your departure point affects available routes, travel time and charter prices.
From Koh Samui: Ang Thong Marine Park, Pig Island, Koh Tan, Koh Phangan, Koh Som and cruises around Samui. Koh Tao is accessible on suitable private speedboats and yachts.
From Koh Phangan: Cruises around Koh Phangan, Ang Thong Marine Park, Koh Tao & Koh Nang Yuan, Koh Samui and sunset trips.
Some yachts and catamarans are based on Koh Samui, others on Koh Phangan. Choosing a nearby boat can reduce travel time and repositioning costs.
What's Included in a Private Boat Charter?
Most Siam Boats private charters include:
• Private boat with captain and crew
• Drinking water and soft drinks
• Fresh tropical fruits
• Snorkeling equipment
• Life jackets and passenger insurance
Depending on the boat, extras may include paddleboards, water slides, floating pools, fishing equipment, catering and event decorations.
Exact inclusions, additional services and entrance fees are confirmed before booking.
Frequently Asked Questions
-What are the best boat trips from Koh Samui?
-Popular destinations include Ang Thong Marine Park, Pig Island & Koh Tan, Koh Phangan, Koh Tao and sunset cruises around Samui.
-Where can I go by private boat from Koh Phangan?
-Explore Koh Phangan's coastline, Ang Thong Marine Park, Koh Tao & Koh Nang Yuan, Koh Samui or enjoy a sunset cruise.
-Is a speedboat or catamaran better for island hopping?
-Speedboats are generally better for covering longer distances quickly and visiting multiple locations. Catamarans offer more space and comfort for relaxing cruises and celebrations.
-Can we customize our private boat itinerary?
-Yes. Routes can be customized depending on the boat, charter duration and sea conditions.
-How much does a private boat trip cost?
-Prices depend on the boat type, destination, duration and number of guests. Contact Siam Boats for current rates.
-Are all Siam Boats tours private?
-Yes. All charters are exclusively for your group, with a professional captain and crew.
-How do I book a private boat trip?
-Contact Siam Boats with your date, departure island, number of guests and destination. We'll recommend suitable yachts, catamarans or speedboats and confirm availability and prices.
A deposit is usually required to confirm your booking.
Book Your Private Boat Trip with Siam Boats
From snorkeling at Koh Tao and exploring Ang Thong Marine Park to luxury yacht cruises around Koh Samui and private catamaran trips from Koh Phangan, Siam Boats offers routes for every occasion.
Explore the Gulf of Thailand with Siam Boats — private yachts, catamarans and speedboats with captain and crew.
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