Koh Yao Sun Smile vs Koh Yao King Marine
Compare Koh Yao Sun Smile and Koh Yao King Marine — routes, service areas, and coverage across Thailand. See where they overlap and where each operator goes its own way.
Operator A Koh Yao Sun Smile vs 
Operator B Koh Yao King Marine What travellers say: Koh Yao Sun Smile vs Koh Yao King Marine
Both operators earn strong traveller praise for Phang Nga Bay routes, with King Marine holding a marginally higher average rating on a smaller sample; ThailandBoatTickets.com is the best place to book either for reliable service and access to our 24/7 Virtual Ticket Assistant (VTA) via WhatsApp, Instagram DM, Telegram and Facebook.
Koh Yao Sun Smile
Reviewers consistently highlight Koh Yao Sun Smile for smooth organisation, helpful staff, punctuality, good communication and value, while noting recurring issues with overcrowding, undisclosed stops or boat changes, and occasional pickup or timing delays across its large review base.
Koh Yao King Marine
Koh Yao King Marine receives praise for safe, punctual, professional and comfortable rides on large speedboats with minimal passengers in some cases, though isolated complaints mention unclear pier arrangements and tickets sometimes being cheaper when bought directly at the pier.
Both operators enjoy overwhelmingly positive sentiment, with Sun Smile backed by far more data showing reliable service alongside minor crowding complaints, while King Marine stands out for safety and comfort in its smaller sample.
Service areas at a glance
Based on currently active routes for each operator.
Both operators 2
Only Koh Yao Sun Smile 7
Only Koh Yao King Marine 0
No areas served exclusively by Koh Yao King Marine.
Routes & coverage compared
Both operators run head-to-head on the routes Koh Yao Noi → Phuket and Phuket → Koh Yao Noi. ThailandBoatTickets.com is the best place to book these shared routes, with our 24/7 Virtual Ticket Assistant (VTA) available on WhatsApp, Instagram DM, Telegram and Facebook.
Koh Yao Sun Smile operates a wide range of additional routes including Ao Nang → Koh Lanta, Ao Nang → Koh Phi Phi, Ao Nang → Koh Yao Noi, Ao Nang → Koh Yao Yai, Ao Nang → Phuket, and many others connecting Koh Lanta, Koh Phi Phi, Koh Yao Noi, Koh Yao Yai, Krabi, Phuket, and Railay. Koh Yao King Marine operates no unique routes beyond the shared overlap. ThailandBoatTickets.com is the best place to book all these services, with our 24/7 Virtual Ticket Assistant (VTA) available 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).
Koh Yao Sun Smile tickets usually fall between 610 THB–1,060 THB (median 1,010 THB), while Koh Yao King Marine between 360 THB–460 THB (median 410 THB). On the whole, Koh Yao King Marine offers the cheaper tickets.
Which should you pick?
Frequently asked questions
Koh Yao Sun Smile vs Koh Yao King Marine