The Mar Menor, Europe's largest saltwater lagoon, is a must-visit attraction in La Manga. This unique body of water is known for its warm and shallow waters, making it perfect for swimming and water activities. Take a dip in the lagoon, relax on the sandy shores, or indulge in some water sports like sailing or windsurfing. The Mar Menor is also famous for its therapeutic mud baths, believed to have healing properties for the skin. Don't miss the chance to experience this natural wonder.