Mobjack Bay is a large estuary located in Virginia, USA, situated between the Middle Peninsula and the Northern Neck. It is part of the Chesapeake Bay watershed and is known for its rich marine life and diverse ecosystems. The bay is surrounded by several small towns and is a popular spot for recreational activities such as fishing, boating, and birdwatching. The bay is fed by several rivers, including the Mattaponi and Pamunkey rivers, which contribute to its unique brackish water environment. Mobjack Bay is also home to various species of fish, crabs, and shellfish, making it an important area for both commercial and recreational fishing.