2. By Carson Osborne

3.  A barrier island is an island separated from the mainland between an estuary and the ocean.

4. Where do you find a barrier ? Most of the barrier islands in the United states are located by the coast of Florida, south Dakota, and north Dakota.

5. Lots of animals live on barrier islands including hermit crabs, blue crabs, American lobsters, amphipods, saltwater crocodiles and more.

6.  A barrier island serves as a wall between the ocean and the mainland

7. Ocean discovery Google