Hua Hin and the west coast of the Gulf are becoming well known for windsurfing and para-sailing with strong northeasterly winds and clean offshore waters. Equipment can be rented from the main hotels
If you require more speed you can try water skiing or the jet ski.
Both sports will give you a real adrenalin rush. You can have lessens under a qualified instructor.
If you want family fun than you can try ride on banana boat. This a great fun filled experience. You can enjoy exiting bumpy ride on board big banana boat. The pulling speed scooter will twists and turns in the water trying to throw you off.