Moser Channel is the deepest passage spanned by the
Seven Mile Bridge and is one of four predominant passages in the
Florida Keys
The Florida Keys are a coral island, coral cay archipelago located off the southern coast of Florida, forming the southernmost part of the continental United States. They begin at the southeastern coast of the Florida peninsula, about south of ...
which allow exchange of waters to the north and west of the Keys (including
Florida Bay
Florida Bay is the bay located between the southern end of the Florida mainland (the Florida Everglades) and the Florida Keys in the United States. It is a large, shallow estuary that while connected to the Gulf of Mexico, has limited exchange ...
and the
Gulf of Mexico
The Gulf of Mexico ( es, Golfo de México) is an ocean basin and a marginal sea of the Atlantic Ocean, largely surrounded by the North American continent. It is bounded on the northeast, north and northwest by the Gulf Coast of the United S ...
) with the Atlantic waters of
Hawk Channel and the
Florida Reef
The Florida Reef (also known as the Great Florida Reef, Florida reefs, Florida Reef Tract and Florida Keys Reef Tract) is the only living coral barrier reef in the continental United States. It is the third largest coral barrier reef system in ...
to the south and east. Moser Channel has an orientation perpendicular to the bridge. The other three Keys passages important to the exchange of south Florida coastal waters are Long Key Channel, Channel 5, and Channel 2.
{{Florida Keys
Bodies of water of Monroe County, Florida
Straits of Florida
Florida Keys