A sand hopper is a type of small insect that jumps and hops on sandy beaches and dunes. It is also known by other names, such as beach flea, sand flea, sandhopper, and beach hopper. These synonyms are often used interchangeably to refer to this tiny creature that can be found in coastal regions such as the Mediterranean, Caribbean, and Pacific. The sand hopper has a unique ability to maneuver on sand, and is often seen near the waterline or burrowing into coastal sand dunes. It is a fascinating creature to observe and provides an important food source for many coastal animals.