This animal has a light, buff colored back and white under parts. There are white markings on its nose and face. It can grow to 139 millimeters in length.

The southeastern beach mouse can be found in Florida, Anastasia Island, Jupiter Island, Hutchinson Island, and many more places.

The southeastern beach mouse likes hanging around sand dunes.

This animal eats sea oats and beach grasses.

They start in November and end in January. The maturity is at 6 weeks.

The southeastern beach mouse isn't endangered yet but it's highly threatened.