They are like large canoes with a recycled diesel truck engine mounted on a long pole that has a propeller at the end. The driver controls boat direction simply by swivelling the pole. They are rather noisy but have become one of the iconic images of Thailand.

For tourists they are a great way to visit the islands near the Phang Nga coastline. You can rent them at the beach nearest your target destination. The cost will depend on the season, how far you are going, how long you are going, how many people are going and of course your negotiating skills. A trip should cost from 1000 to 2000 baht. This will include the driver waiting while you are at your destination and the return journey.