Thai Smile Boat
| Series1 Mine Smart Ferry Urban line | |
| Waterway | Chao Phraya River | 
|---|---|
| Transit type | Electric Catamaran Ferry | 
| Route | •  City Line  Phra Pinklao Bridge-Sathorn • Metro Line Rama VII Bridge-Watworachanyawas • Urban Line Phra Nang Klao-Sathorn | 
| Owner | E@ Pub Co., Ltd. | 
| Operator | Thai Smile Boat Co., Ltd | 
| Authority | 
 | 
| Began operation | 2020 | 
| System length | 22 miles | 
| No. of lines | 3 | 
| No. of vessels | 35 | 
| Hubs | Sathorn Pier | 
| No. of terminals | 22 Piers | 
| Connections at Chao Phraya Express Boat | |
| Website | minesmartferry | 
The Thai Smile Boat (Thai: ไทย สมายล์ โบ้ท), formerly known as the Mine Smart Ferry (Thai: ไมน์ สมาร์ท เฟอร์รี่), is a transportation service in Thailand operated on the Chao Phraya River. Launched in 2021, the battery-powered Smart Ferry provides service between Bangkok and Nonthaburi.
Thai Smile Boat operates three services, the City Line (Sathorn Pier-Phra Pinklao Pier), Metro Line (Sathorn Pier-Rama VII Pier), and the rush-hour Urban Line (Sathorn Pier-Phra Nang Klao Pier).