The Cape May Peninsula is a peninsula at the southernmost part of New Jersey, USA that forms the major part of Cape May County. The peninsula separates Delaware Bay from the Atlantic Ocean. At its southern tip is Cape May. Peninsula A peninsula (from Latin paene insula, almost island) is a geographical formation consisting of an extension of land from a larger body, surrounded by water on three sides. ... Official language(s) None, English de facto Capital Largest city Trenton Newark Area Ranked 47th - Total 8,729 sq. ... Cape May County is a county located in the state of New Jersey. ... Delaware Bay Delaware Bay is a large esturarial inlet of the Atlantic Ocean at the mouth of the Delaware River along the coast of the United States. ... Cape May City highlighted in Cape May County. ...