This webcam is from the top of the Hotel Galua on La Manga Strip, it shows the Med, La Manga beach, Cabo de Palos Lighthouse and the Island in the distance is Islas Hormigas which is a protected marine reserve renowned as one of the best dive locations in Europe.
This webcam swings around to show both the La Manga beaches and the Mar Menor, this will help in showing how the 'Strip separates the 2 areas.
This site shows numerous webcams from the Mar Menor, the first show the Mar Menor looking back at Playa Honda (to the left of the tall mountain), the others are various locations around the Mar Menor.