An isthmus is a narrow body of water between two lands.
Canals; they have two lands and a narrow body of water in between!
strait
a straight is narrow body of water, and a channel is a wider body of water.
The Bering strait
The straits of Florida.
The Strait of Gibraltar.
A strait is a narrow body of water that connects two larger bodies of water.
Its a Strait (pronounced the same as straight) , a narrow channel of water that connects two larger bodies of water
Straight
The Chukchi and Bering Seas.
the English channel
It is the Bering Straits.