Here are some Links that can give you an idea of some of the things you can do on Plum Island or in Newburyport

http://www.newburyportchamber.org/plum_island.htm

http://www.lighthouse.cc/plumisland/

http://www.theinsider.com/Boston/attractions/2plumisland.htm

http://www.townonline.com/northshore/newburyport.html

http://www.newburyportchamber.org/visitor.htm

http://www.plum-island.com/grille.htm

http://www.blackcowtapandgrill.com/nbpt/index.htm

http://www.michaelsharborside.com/mh_website_001.htm

http://www.starboardgalley.com/

http://www.newburyportwhalewatch.com/

http://www.camacdonald.com/birding/usmassachusetts.htm