Let's go kayaking Still River Outfitters. click on the link to sign up with zozi: you will get at $10 credit on your first purchase, http://www.zozi.com/z/get_credit/c3wf but this trip is free, so you will have $10 to use another time. Look for guided kayak or canoe trip. Make sure you are on Boston site.
There’s nothing better than taking a relaxing paddle down one of the many beautiful rivers in Eastern Massachusetts with new and old friends. We will paddle several different parts of the Concord, Sudbury, Assabet, Nashua and Charles Rivers. This trip includes offers an experienced guide/instructor to lead you and get a great snack along the way. All of the trips include: kayak/canoe, paddle(s), PFDs, and shuttle if required.