Boonsiri Sealine vs Seudamgo Catamaran
Compare Boonsiri Sealine and Seudamgo Catamaran — routes, service areas, and coverage across Thailand. See where they overlap and where each operator goes its own way.
Operator A Boonsiri Sealine vs 
Operator B Seudamgo Catamaran What travellers say: Boonsiri Sealine vs Seudamgo Catamaran
Both operators earn strong traveller approval for door-to-door services to Trat islands, with nearly identical average ratings drawn from thousands of reviews; booking through ThailandBoatTickets.com lets travellers access the 24/7 Virtual Ticket Assistant (VTA) on WhatsApp, Instagram DM, Telegram or Facebook for smooth confirmations.
Boonsiri Sealine
Reviewers consistently praise Boonsiri Sealine for its well-organized logistics, punctual departures, friendly staff, included meals and snacks, and comfortable buses on core Bangkok to Koh Chang/Koh Mak/Koh Kood routes, while noting occasional waits between transfers, communication gaps and variable ferry quality as the main drawbacks.
Seudamgo Catamaran
Travellers highlight Seudamgo Catamaran for smooth organization, helpful staff, comfortable vehicles on many legs and free lunch boxes, yet a minority flag recurring issues with optimistic arrival times, reckless driving, language barriers and luggage handling problems.
Sentiment is comparably positive for both, with Boonsiri benefiting from far higher review volume and slightly fewer safety-related complaints; ThailandBoatTickets.com remains the best place to book either operator with VTA support for any timing questions.
Pros & cons
Boonsiri Sealine Pros
- Highly organized with smooth logistics and seamless transfers between bus, ferry, and taxi
- Strong punctuality with many departures leaving exactly on time
- Friendly and helpful staff who assist with luggage, disabilities, and seasickness
- Door-to-door hotel pickup and drop-off included, plus free meals, water, and snacks
- Comfortable newer buses with AC, USB charging, and good value for money
Cons
- Frequent waits and delays of 45 min–3 hours between legs, especially on return journeys
- Unclear or misleading timing/itinerary info and communication gaps at piers
- Ferry sometimes an old rusty car ferry instead of advertised high-speed catamaran
- Inconsistent bus comfort: either too hot (failed AC) or freezing cold
- Reckless driving on island transfers and occasional overcrowded vehicles or toilet odors
Seudamgo Catamaran Pros
- Well-organized with smooth logistics and high praise for seamless door-to-door service
- Friendly and helpful staff with good English in many cases
- Comfortable minivans and vehicles with AC on many legs
- Complimentary lunch boxes, water, and extras like luggage carried to hotel door
- Good for island-hopping routes between Koh Chang, Koh Mak, and Koh Kood
Cons
- Frequent delays with arrival times 1–3+ hours late due to unrealistic advertised schedules
- Reckless driving reported, including speeding, phone use, and unsafe overtaking
- Language barriers with drivers and staff causing confusion at pickups and transfers
- Poor communication, no updates, and long waits at piers up to 2.5 hours
- Variable vehicle condition including broken seatbelts, old vans, and luggage mishandling in rain
Service areas at a glance
Based on currently active routes for each operator.
Both operators 10
Only Boonsiri Sealine 11
Only Seudamgo Catamaran 3
Routes & coverage compared
Both operators run overlapping routes connecting Bangkok to Koh Chang, Koh Kood, Koh Mak, Koh Phangan, Koh Samui, Koh Tao, and Surat Thani, along with return trips from these islands to Bangkok and key inter-island links such as Koh Kood to Koh Mak, Koh Phangan, Koh Tao, Pattaya, and Trat, plus Koh Mak to Pattaya and Trat. These shared connections cover popular Gulf of Thailand itineraries for trip planners. Book any of these overlapping routes on ThailandBoatTickets.com where our 24/7 Virtual Ticket Assistant (VTA) is available on WhatsApp, Instagram DM, Telegram and Facebook.
Boonsiri Sealine uniquely serves routes from Ao Nang, Chumphon, Donsak, Hua Hin, Krabi, Nakhon Si Thammarat, and Railay to Koh Phangan, Koh Samui, and Koh Tao, plus additional links like Koh Chang to Hua Hin, Koh Phangan, Koh Samui, Koh Tao, Pattaya, and Surat Thani, and Koh Phangan to Koh Phi Phi, Hat Yai, and Krabi. Seudamgo Catamaran uniquely covers Bangkok to Koh Samet and Trat, Koh Chang to Trat, Koh Kood and Koh Mak to Rayong, plus Pattaya to Trat, Rayong to Koh Chang, Koh Kood, and Koh Mak, and Trat to Pattaya and Suvarnabhumi Airport. ThailandBoatTickets.com is the best place to book these operator-specific routes with support from our 24/7 Virtual Ticket Assistant (VTA) on WhatsApp, Instagram DM, Telegram and Facebook.
Routes both operators run
Same departure and destination — true head-to-head options.
Price distribution
How ticket prices spread across each operator's routes (THB).
Boonsiri Sealine tickets usually fall between 920 THB–1,560 THB (median 1,290 THB), while Seudamgo Catamaran between 950 THB–1,110 THB (median 1,050 THB). On the whole, Seudamgo Catamaran offers the cheaper tickets.
Which should you pick?
Frequently asked questions
Boonsiri Sealine vs Seudamgo Catamaran