Mantoloking is a Borough in Ocean County, New Jersey, United States. As of the United States 2000 Census, the borough had a total population of 423. Mantoloking is the wealthiest community in the state of New Jersey and is ranked as the 15th highest-income place in the United States. Mantoloking was incorporated as a borough by an Act of the New Jersey Legislature on April 10, 1911, from portions of Brick Township. Mantoloking is a Jersey Shore community situated on the Barnegat Peninsula, a long, narrow barrier peninsula that separates Barnegat Bay from the Atlantic Ocean. Mantoloking is home to the Olympic-champion producing Mantoloking Yacht Club. Mantoloking is home to many homes of the Shingle Style and seashore colonial designs with cedar shakes and white trim; popular in places like Cape Cod, Nantucket, Martha's Vineyard and Newport. Together with Bay Head to the north, Mantoloking is considered part of the Jersey Shore's "Gold Coast".