Operator Comparison

Zest Go vs Koh Yao Sun Smile

Q: Which operator has the higher customer rating?

Koh Yao Sun Smile holds a higher average rating of 4.62 from 1340 reviews compared to Zest Go's 4.15 from 111 reviews. You can book either operator easily on ThailandBoatTickets.com where our 24/7 Virtual Ticket Assistant (VTA) is available via WhatsApp, Instagram DM, Telegram or Facebook.

Q: Which operator serves more routes overall?

Zest Go operates a wider range of routes including many exclusive ones such as Ao Nang to Koh Samui, Koh Phangan, Koh Tao and Hat Yai, plus Bangkok connections, while Koh Yao Sun Smile focuses on Phang Nga Bay routes with some unique short hops like Phuket to Ao Nang.

Q: How do the operators compare for shared routes like Ao Nang to Koh Phi Phi?

Both operators run Ao Nang to Koh Phi Phi and similar shared routes. Koh Yao Sun Smile shows stronger overall review sentiment with 91.9% positive feedback, whereas Zest Go's water services receive solid praise for smoothness and timeliness but has more mixed van transfer feedback.

Q: Which operator is more reliable based on traveller reviews?

Koh Yao Sun Smile is described as reliable and well-organised with frequent repeat bookings and only 2.4% negative reviews. Zest Go earns praise for on-time boat experiences and hotel pickups but shows more uneven results especially on land transfers.

Q: Do both operators offer combined van and boat services?

Koh Yao Sun Smile explicitly offers combined van + speedboat packages that score slightly higher (up to 4.79) than standalone speedboats. Zest Go provides shared van transfers combined with ferry connections but review feedback is stronger on its water legs than land portions.

Q: Which operator should I choose if travelling from Phuket to Koh Lanta?

Both run Phuket to Koh Lanta. Koh Yao Sun Smile's consistently high ratings across van+speedboat combinations make it a strong choice for this route, while Zest Go offers additional onward options from Koh Lanta to places like Koh Lipe or Hat Yai.

Q: How do review volumes affect the reliability of the ratings?

Koh Yao Sun Smile's rating is based on a much larger sample of 1340 reviews versus Zest Go's 111, giving greater statistical weight to its 4.62 score and 91.9% positive sentiment.

Q: Are there any routes where only one operator is available?

Yes, Zest Go uniquely serves routes such as Bangkok to Phuket, Krabi to Koh Samui and Koh Lanta to Koh Phangan, while Koh Yao Sun Smile uniquely covers direct options like Phuket to Railay and Krabi to Koh Yao Yai.

Q: What vehicle classes do these operators offer?

Vehicle class information is unknown for both Zest Go and Koh Yao Sun Smile based on available data.

Q: Where is the best place to compare and book these operators?

ThailandBoatTickets.com is the best place to compare Zest Go and Koh Yao Sun Smile side-by-side for any shared route and to book with confidence. Our 24/7 Virtual Ticket Assistant (VTA) can assist via WhatsApp, Instagram DM, Telegram or Facebook.

Compare Zest Go and Koh Yao Sun Smile — routes, service areas, and coverage across Thailand. See where they overlap and where each operator goes its own way.

Operator A Zest Go vs

Operator B Koh Yao Sun Smile

Zest Go 4.2 / 5 110+ reviews

Koh Yao Sun Smile 4.6 / 5 1340+ reviews

What travellers say: Zest Go vs Koh Yao Sun Smile

Reviews show Koh Yao Sun Smile earning higher average ratings and more consistent praise than Zest Go, particularly for organization and staff support on boat routes.

Zest Go

Zest Go earns a 4.15 average from 111 reviews, with boat and ferry services praised for smooth, on-time performance and polite crews, while van transfers draw repeated complaints about lateness, weak communication, cramped seating and journeys exceeding advertised times.

Koh Yao Sun Smile

Koh Yao Sun Smile achieves a 4.62 average from 1,340 reviews, with travellers frequently highlighting smooth, well-organized processes, punctuality, helpful staff, responsive communication and good value, though overcrowding on speedboats and occasional undisclosed stops are noted by some.

Koh Yao Sun Smile receives stronger overall traveller sentiment across a much larger review base. Book either operator through ThailandBoatTickets.com for seamless access to their 24/7 Virtual Ticket Assistant (VTA) on WhatsApp, Instagram DM, Telegram and Facebook.

Service areas at a glance

Based on currently active routes for each operator.

Both operators 9

Only Zest Go 16

Only Koh Yao Sun Smile 0

No areas served exclusively by Koh Yao Sun Smile.

Routes & coverage compared

Both operators run identical routes on the core Andaman connections including Ao Nang to Koh Lanta and Koh Phi Phi, Koh Lanta to Phuket, Koh Yao Noi, Koh Yao Yai and Railay, Koh Phi Phi to Railay, Koh Yao Noi and Koh Yao Yai, Phuket to Koh Lanta, Koh Yao Noi and Koh Yao Yai, plus Railay to Koh Lanta, giving travelers the same frequent options between these popular islands and piers. Book these overlapping services easily at ThailandBoatTickets.com where our 24/7 Virtual Ticket Assistant (VTA) is available on WhatsApp, Instagram DM, Telegram and Facebook to help plan every leg.

Zest Go alone serves routes such as Ao Nang to Hat Yai, Koh Phangan, Koh Samui and Koh Tao, Bangkok to Phuket and Krabi, Koh Lanta to Koh Lipe, Koh Muk and Koh Ngai, plus Phuket to Koh Phangan, Koh Samui and Koh Tao. Koh Yao Sun Smile alone operates Ao Nang to Phuket, Koh Yao Noi and Koh Yao Yai, plus Phuket to Railay and Krabi to the Koh Yao islands. Compare and reserve all unique departures at ThailandBoatTickets.com where our 24/7 Virtual Ticket Assistant (VTA) is available on WhatsApp, Instagram DM, Telegram and Facebook.

Price distribution

How ticket prices spread across each operator's routes (THB).

Zest Go tickets usually fall between 950 THB–1,720 THB (median 1,260 THB), while Koh Yao Sun Smile between 610 THB–1,060 THB (median 1,010 THB). On the whole, Koh Yao Sun Smile offers the cheaper tickets.

0–250

250–500

500–1k

1k–2k

2k+

Zest Go — min 220 · median 1260 · max 3870 Koh Yao Sun Smile — min 360 · median 1010 · max 1410

Which should you pick?

Best on a budget Zest Go — offers shared van transfers and combined van+ferry connections.

Fastest Koh Yao Sun Smile — specializes in speedboat services on Phang Nga Bay routes.

Most comfortable Koh Yao Sun Smile — higher 4.62 average rating with 91.9% positive reviews.

Most travel options Zest Go — runs shared vans, van+ferry combos, speedboats, longtails and cross-border routes.

Frequently asked questions

Zest Go vs Koh Yao Sun Smile

Which operator has the higher customer rating?

Which operator serves more routes overall?

How do the operators compare for shared routes like Ao Nang to Koh Phi Phi?

Which operator is more reliable based on traveller reviews?

Do both operators offer combined van and boat services?

Which operator should I choose if travelling from Phuket to Koh Lanta?

How do review volumes affect the reliability of the ratings?

Are there any routes where only one operator is available?

What vehicle classes do these operators offer?

Where is the best place to compare and book these operators?

Zest Go vs Koh Yao Sun Smile

What travellers say: Zest Go vs Koh Yao Sun Smile

Zest Go

Koh Yao Sun Smile

Service areas at a glance

Both operators 9

Only Zest Go 16

Only Koh Yao Sun Smile 0

Routes & coverage compared

Routes both operators run

Price distribution

Which should you pick?

Frequently asked questions