Part of Manhattan is physically attached to the Bronx

A Neighborhood Can Change Shape Without Changing Its Address

Dredging can redraw the land around a community. When workers remove sediment to deepen or create a channel, water may cut through ground that once joined a neighborhood to the rest of an island. Later, a bridge, causeway, or built-up strip can give the neighborhood a route to the mainland. The result is a place whose everyday geography no longer matches its legal one.

Waterways Don’t Automatically Rewrite Boundaries

A municipal boundary is a line set by law, not simply the edge of the nearest landmass. Unless that boundary is formally changed, a neighborhood can remain part of the island’s jurisdiction even after engineering projects alter its connections. Residents may reach the mainland more directly, while their local government, services, and civic identity remain tied to the island.

That distinction matters because “island” can describe both a physical feature and a place on a map. Dredging changes the first; it does not, by itself, settle the second. The neighborhood’s unusual status is a reminder that infrastructure can rearrange how a place is reached without changing which community it belongs to.