City Line is the most popular route of Thai Smile Boat in Bangkok. Previously known as MINE Smart Ferry, Thai Smile Boat is an electric public boat service provided on the Chao Phraya River. It's a comfortable and environmentally friendly means of water transportation that can be used to explore the capital city of Thailand. Discover the Thai Smile Boat City Line route map, tickets, and timetable.
The City Line is a Thai Smile Boat route that connects Siam Charoen Nakhon Pier with Phra Pinklao Bridge Pier. The electric boats make 12 stops on the route. As the City Line operates in the central part of Bangkok, it is the most useful route for tourists visiting the capital city of Thailand.
Traveling on the Urban Line and other Thai Smile Boat routes as well as all Thai Smile Bus routes is covered by Thai Go Day Pass.
Thai Smile Boat City Line Route Map
The map of Thai Smile Boat City Line route with all the stops along the route and other boat services available at each pier.
City Urban
City Metro
City
The full Chao Phraya River pier map can be found here: Bangkok River Pier Map.
Thai Smile Boat Ticket Price
Thai Smile Boat ticket price is 30 THB per person for a single trip of any distance.
If you are planning to use the boat several times a day or are going to also use the electric bus of the same company (Thai Smile Bus), consider getting a Thai Go Day Pass, which allows unlimited traveling on all 3 boat routes and all Thai Smile Bus routes for 1, 2, or 3 days.
Ticket Counters
Boat tickets can be purchased at the desk of Thai Smile Boat found at the passenger piers along the route. At the main piers, such as Sathorn Pier, you can find a ticket counter like seen below.
If there is no ticket desk at the pier, you can normally buy a ticket on board the boat.
Thai Smile Boat City Line Schedule
The City Line boats operate daily.
On weekdays, boats from Siam Charoen Nakhon Pier to Phra Pinklao Pier depart every 30 minutes from 08:00 to 18:00.
On Saturdays, Sundays, and public holidays, boats are more frequent and depart every 15-30 minutes from 08:00 to 19:00.
Between 18:30 and 20:00, there are 5 additional boats departing every 20-30 minutes but going to River City Pier only.
Departures from Phra Pinklao Pier to Siam Charoen Nakhon Pier are normally scheduled 1 hour later, so on weekdays boats in this direction leave every 30 minutes from 09:00 to 18:30. On weekends and public holidays, boats depart every 15-30 minutes from 09:00 to 18:30.
Between 18:50 and 20:20 in the evening, there are also 5 boat departures from River City Pier to Siam Charoen Nakhon Pier.
For a detailed boat departure schedule, check out the City Line timetable below.
Other Thai Smile Boat Routes
There are 3 Thai Smile Boat routes operating on the Chao Phraya River in Bangkok:
- City Line (Green)
- Urban Line (Purple)
- Metro Line (Blue)
The Urban Line connects the central Sathorn Pier with Phra Nang Klao Bridge Pier in the suburbs of Bangkok. There are 17 stops on this Thai Smile Boat route, but only some of them are centrally located.
The Metro Line, reopened from 5 January 2026, connects Wat Worachanyawat Pier with Nonthaburi Pier in the suburbs. It's an express route with only 7 stops that is operating on weekdays during rush hour.
Traveling on ALL 3 Thai Smile Boat routes and all Thai Smile Bus routes is covered by Thai Go Day Pass. You can choose from 1-day, 2-day, and 3-day pass.
Bangkok Boat Travel Tips
Instead of using the air-conditioned boat, enjoy the panoramic views of the river on the deck of a double decker boat while traveling between the city's main attractions conveniently. Simply get a day pass for the Chao Phraya Tourist Boat.
As traffic in the city center is often jammed, public boats can be used as a reliable way to get to the most popular Bangkok river cruise departure points on time.