Matthew Dennis, who left Salem on Sept. 22, was said to be taking a white 28-foot fiberglass sailboat to Florida, the Coast Guard said on Twitter.
The last time Dennis was heard off the coast of Long Island on Sept. 29, the Coast Guard said.
Authorities are now asking anyone with information on Dennis' location to contact them at 617-223-8555.
Share this story by clicking on the Facebook icon below.
Check back to Daily Voice for updates.
Click here to follow Daily Voice Pound Ridge and receive free news updates.