Rockport Marine, Inc.
- Boatyard specializing in wooden boat construction, restoration, maintenance and repair. Located in Rockport.
- http://www.rockportmarine.com/

Maine Marine Consulting
- MMC addresses problems concerning water rights and uses associated with aquaculture, pier construction, mooring location and other waterfront real estate issues.
- http://lincoln.midcoast.com/~pteropod/consult/index.html

Knight Marine
- Full service marina located in Rockland. Storage, dockage, two marine travelifts, fuel, and lunch on the dock available.
- http://www.midcoast.com/~knightma/

SeaSources
- Training for mariners. U.S.C.G approved license preparation.
- http://www.midcoast.com/~seasourc/

Jeffs Marine
- Features Yamaha and Honda outboard motors, and an online list of boats available for sale. Locations in Thomaston and Northport.
- http://www.jeffsmarine.com/

SBI Marine
- Salty's offers numerous boats plans for the home and backyard boatbuilder, and a free sailing school in Penobscot Bay on the coast of Maine.
- http://www.by-the-sea.com/saltys/

Padebco Boatbuilder
- Custom boats built with the latest technology. Offers a design service, boat hauling, storage, repairs, and restoration.
- http://lincoln.midcoast.com/~padebco/

Rocknak's Yacht Sales
- Classified listings boats for sale or charter from yacht brokers, dealers and manufacturers and builders. See the new Dirigo. Located in Rockport.
- http://www.rocknaks.com/

Maine Harbors
- Tide charts and related nautical information
- http://www.maineharbors.com/

Pendleton Yacht Yard
- A full service boat yard specializing in the repair and restoration of fine wooden yachts. Maintenance, repair, rigging, launching, hauling, and storage services provided. Located on Islesboro.
- http://www.pendletonyachtyard.com/

Water Walker Sea Kayaks
- A backyard business specializing in high performance fiberglass sea kayaks manufactured by Janautica of Milan, Italy.
- http://www.touringkayaks.com/kayak.htm

New England Traditional Boat
- Block maker, lignum vitae and bronze blocks, dead eyes, hardware and supplies.
- http://www.traditionalboat.com/