The Museo del Mar y de la Sal (Sea and Salt Museum) is a free museum located in Torrevieja, Spain. It showcases the rich maritime and salt mining history of the region. The museum features exhibits on fishing techniques, traditional boats, marine life, and the process of salt extraction. Visitors can learn about the importance of the sea and salt industry in shaping the local culture and economy. The museum also offers educational programs and workshops for children and adults.