Barnegat Light, New Jersey NJ - located along the Jersey Shore at the northern end of the longest and largest island beach colony on the Jersey Shore - LBI. Some of the best beaches on Long Beach Island are found in Barnegat Light, a picturesque, sleepy-beach-town.The most popular form of transportation in Barnegat Light is the bicycle.And if they don't come with your summer vacation rental, you can always rent a bicycle at the nearby bicycle and video rental store!