I'm 28, 'been sailing for 2 years. Just decided to try it out one day and signed up for a few courses. Never really knew any sailors until that point. Spent a fair amount of time on the water since. Heading down to the Caribbean for my first charter this spring
P.S. Probably less than 10% of the membership base at my club (Toronto) is under 30. The median age seems to be somewhere around 37-45.