Others lakes are Ã tang de MiragoÃ cents ne ( 25 kmÂ ) , of fresh water at 4 km southeast from the city of MiragoÃ cents ne ; and Trou CaÃ man ( 16.2 kmÂ ) , a small lake at 6 km from Ã tang SaumÃ cents tre . Trou CaÃ man is a saltwater lake with a total area of 16.2 kmÂ . Lake MiragoÃ cents ne is one of the largest natural freshwater lakes in the Caribbean , with an area of 25 kmÂ .