Formentera is a small island that is part of Spain. Imagine it as a tiny piece of land surrounded by beautiful blue water. People go to Formentera to have fun, play in the sun, and relax. Some of the things you can do on the island are swim, build sandcastles, and eat yummy food. There are also big boats called ferries that take people to and from Formentera. It's a very special place that people love to visit!