Five days of music, food and other events in La Manga The Plaza Bohemia in La Manga del Mar Menor (click for map) is hosting five days of local fiestas between 16th and 20th September, with activities which include live music, fun and games for children, gastronomy, competitions and of course a firework disiplay. The programme has been announced as follows: Wednesday September 16 18.00: The stalls and stands open and the official opening..