KoolKayakers
- Kayaking in Plymouth harbor and on the south shore in Massachusetts. Photographs, the harbor, rivers, and contacts.
- http://koolkayakers.com/

Great Marsh Kayak Tours of Cape Cod
- Kayak tours through Cape Cod's Great Salt Marsh of Barnstable Harbor. General information, tours, photographs, and contacts.
- http://www.greatmarshkayaktours.com/

Nashoba Paddler Canoe Outfitter
- Offers canoe and kayak rentals, day canoe tours and full moon tours, canoeing instruction, environmental education for schools. The environmental education arm is called River Classroom.
- http://nashobapaddler.com/

Canoe Passage Outfitters
- Provides information on river trips, boat rentals, equipment rentals with online sales.
- http://www.canoepassage.com/