There is no shuttle from the Portland jetprot provided by organizers but you can make your own arrangements through the Portland Jet port by calling in advance:
Mermaid Travel at 207.885.5612 or 207.885.5630

Trains
Trains from anywhere: http://www.amtrak.com/servlet/ContentServer?pagename=Amtrak/HomePage
Train Boston North Station to Wells Maine: http://www.amtrakdowneaster.com/portland.html
Portland to Boston Logan Airport or South Station-Amtrak--http://www.concordtrailways.com/maine_bus_schedule.htm
Boston to Portland bus http://www.vermonttransit.com/table60.html
Porstmouth NH to Boston Logan airport or South Station-Amtrak--http://www.cjtrailways.com/
-Shuttle from Ogunquit & Wells to Kennebunk Lower Village, a short walk into the Port--http://www.shorelineexplorer.com/


Planes
Airlines to Portland Jetport-
cheap flights from BWI http://www.airtran.com/Home.aspx-flights
Delta and Jetblue from JFK www.delta.com ---www.jetblue.com
Delta and Continental from La Guardia www.delta.com --- www.continental.com
US Air form Philadelphia www.usairways.com
United from Dulles www.united.com
US Air from National www.usairways.com