It depends on what class of boat, what mast and boom you have and what amount of wind you sail in.
That would be a three-person crew. Each member is 'a hand'. Hence the term 'all hands on deck'.
Heck yes! it is work! but really fun...
The only ones I can think of are Drifting Clubs.
The league was formed in 1996 and is controlled by the Hulman-George family, which also owns Indianapolis Motor Speedway Corporation.