The Hannibal French House ~ An elaborate Italianate home built in 1834 but redesigned and enlarged in 1860 by “one of the more illustrious whaling and ship owning families” according to the Sag Harbor Historical Society. Sag Harbor, New York
'The interior of the two-storied house turned out to be far grander than Longbourn. A handsome oak staircase wound round the vestibule, its walls adorned with portraits.' This pic - The Staircase Hall at Saltram House, Plympton, Plymouth, England.
Tour Oak Hall, Waterfront Country Estate & Greek Revival Manor Home
Nook House (very nearly, except for the missing third floor). The Georgian mansion of retired sea captain, Ezra Moon. Notice the captain's walk on the roof, where his daughter Iris likes to visit every morning.