The event showcases high-quality antique vessels, including cruisers, sailboats, and runabouts. Approximately 50 classic vessels will create a colorful gathering along the museum’s waterfront. The Rendezvous concludes Sunday at 12:30 p.m. with a parade of classic boats down the Mystic River. A party, “Docktails & Dancing,” will be held Saturday from 7 to 10 p.m. Drinks, desserts, and dancing to music by the band Sugar. $45 per person.

Tickets are: Adults, $26; senior over age 64, $24; youth ages 6-17, $17.