Pine Island Camp | 185 followers on LinkedIn. Pine Island Camp is a summer camp for boys ages 9 – 15 in Belgrade Lakes, Maine. | Pine Island Camp is a summer camp for boys located on a small island in Belgrade Lakes, Maine. For six unplugged weeks, we spend our time hiking, boating, camping, and enjoying the greatest place in the world. Distinguished by its program, small enrollment - only 90 campers - and unique freshwater island location, Pine Island Camp has offered fun, traditional camp activities since 1902 in a rustic setting that develops a boy’s independence, imagination and character.