Old Quarry Ocean Adventures
Offers occasional special lighthouse cruises from Stonington, Maine; some may include a view of Matinicus Rock.

Matinicus Excursions
Water taxi service for Matinicus, Criehaven, and Rockland, Maine. Also offering puffin trips to Matinicus Rock, leaving from Matinicus Island.

​Sea Ventures Charters
Custom, personalized charters from St. George aboard the 38' diesel-powered Lady Anne.