The Middle Peninsula is the second of three large peninsulas on the western shore of Chesapeake Bay in Virginia, in the United States. It lies between the Northern Neck and the Virginia Peninsula. This peninsula is bounded by the Rappahannock River on the north and the York River on the south, with the Chesapeake Bay to the east. It encompasses six Virginia counties: Essex, Gloucester, King and Queen, King William, Mathews, and Middlesex. Developed for tobacco plantations in the colonial era, in the 21st century the Middle Peninsula is known for its quiet rural life, vegetable truck-farming, and fishing industry.