Newtown Bay is a bay on the northwestern coast of the island in the western arm of the Solent. It is a subtle bay located around the exit of the Newtown River. It stretches about 2.5 miles from Hamstead Point in the west to Salt Mead Ledge to the east. It is a remote place as there are few properties along this part of the coast, it being low lying marshland and home to countless sea birds. The shore is a narrow band of gravel, while the sea bottom is mostly mud or sand.