Spain is known for having a number of beaches where nudity is accepted or even encouraged. Some of the most popular nude beaches in Spain include:

• Es Trenc beach, located in Mallorca, is a well-known nude beach with crystal clear waters and fine white sand.

• Playa de Maspalomas, located in Gran Canaria, is a popular destination for naturists, and has a designated area for nudity.

• Playa del Ingles, located in Gran Canaria is another place where nudity is accepted.

• Playa de las Salinas, located in Ibiza, is another well-known nude beach that has become increasingly popular in recent years.

• Ostra Beach, located in Catalonia, is a well-known nude beach.

It's important to note that while nudity is accepted at these beaches, it is not officially allowed and you should be respectful to other beach-goers. Also, before going to any nude beach, it's good to check the local laws and customs to know the rules and regulations.