I'm not sure about official courses or certifications, but the first thing I did after buying
my first boat was get in touch with the local yacht club. They offered a free weekly sailing class along with lots of other opportunities to get out on the water
It didn't hurt that this particular club's clubhouse basically consists of a keg, refrigerator
, and shelves stocked with Irish whiskey.
Transforming from urban professional go global adventurer SailToTrail.com
and exploring with only human, wind, and solar power.