Get your fix of vitamin D at Playa del Gurugú. Once you've topped up your tan, hang around and watch the sky turn kaleidoscopic as the sun begins to set.
This stretch of coastline in Castelló de la Plana comes recommended by many travelers, so put it on your to-do list. However, your day doesn't end there. There are many more options waiting for you to check out after Playa del Gurugú. Aquarama, Voramar Beach, and Jaume I University are nearby.