Marble Hill is a neighborhood in Boston.
The community boards of the New York City government are the appointed advisory groups of the community districts of the five boroughs . The Harlem River is an 8 mi tidal strait flowing between the Hudson River and the East River and separating the island of Manhattan from the Bronx on the New York mainland . Marble Hill is the northernmost neighborhood in the New York City borough of Manhattan . Because of this change in geography , Marble Hill is often associated with the Bronx and is part of two of the latter 's Community Board Districts .