High Quality Content by WIKIPEDIA articles! Raynham Hall is in Oyster Bay, New York. Home of the Townsend family, one of the founding families of Oyster Bay, on Long Island, New York, and a member of George Washington`s Culper Ring of spies, the house was renamed Raynham Hall after the Townsend seat in Norfolk, England, in 1850 by a grandson of the original owner. The house is now owned by the Town of Oyster Bay and operated as a public museum by the Friends of Raynham Hall Museum, Inc. Raynham Hall is listed on the National Register of Historic Places, a Town of Oyster Bay Landmark, and is a featured site on the Oyster Bay History Walk audio walking tour. It is located at 20 West Main Street, right in the heart of Oyster Bay.