 The island is characterized by an irregular coastline of approximately , with numerous bays and inlets and a significant diversity of other coastal land forms, including spits, bluffs, dunes, lagoons, cuspate forelands, tombolos, tide flats, streams and tidal deltas, islands, and rocky outcrops.The high point is Toe Jam Hill.On the Kitsap Peninsula, Bremerton and Poulsbo lie across the Port Orchard channel to the west, and the city of Port Orchard lies across Rich Passage to the south.