You might want to get your camera out and head to Castillo de Don Alvaro de Luna— just one of the landmarks located 0.5 mi (0.8 km) from central Arenas de San Pedro.
Abejas del Valle is 5.5 mi (8.9 km) from central Arenas de San Pedro, why not stop by during your stay. If you want to experience more of the culture Arenas de San Pedro has to offer, head to Candeleda Plaza.