Nida, Lithuania - 24 July 2021: Young child sailing the Optimist, a small, single-handed sailing dinghy intended for use by children and teenagers up Stock Photo - Alamy
Optimist (dinghy) - Wikipedia
Opti Wraps – Custom Graphics for Optimist Sailing Dinghies
Optimist in Lisbon | Sailing dinghies used 57534 - iNautia