Maptech waterproof chart. Both costal and detail coverage of this popular cruising area. On one side is overall coverage from Monhegan to Manticus Islands and north to Castine. Reverse side covers Vinalhaven and Rockland Rockport and Camden in detail with inset for Carvers Harbor. 44 GPS and LORAN Waypoints make it easy to program your unit. Brighter yellow land is easy to read and bigger place names are easy to find. Information from NOAA Chart 13305 and 13302. GPS datum