Named for Vice-Admiral Robert FitzRoy, The Admiral Fitzroy Inn is located at 398 Thames Street in Newport, Rhode Island, in the Newport Historic District.

It served as the home of the Sisters of Mercy Convent for nuns of St. Mary's church from 1854 to 1924, and later housed the first private Catholic school in Rhode Island, St Mary's Academy from 1854 to 1924.

Jacqueline Bouvier and future U.S. President John F. Kennedy were married in St Mary's Church.

[2] The principal architectural style is Gothic, and the secondary is Italianate (according to the Historic Building Data Sheet Rhode Island Statewide Survey Phase 1 and the National Register of Historic Places nomination form for Newport Historic District).

There are some antiques displayed including an original Admiral Fitzroy Barometer that hangs in the lobby.