Vistula Lagoon of the Ests". Over three hundred years later, in the first half of the 13th Century, the name of Vistula Lagoon occurs in deeds issued by Teutonic Order in Latin version as Mare Recens (1246 - "mare" - a pool or lake or sea and "recens" - fresh) in contrast to the contemporary name for the Baltic Sea - Mare Salsum (Salty Sea). Then in 1251 we find record about Mare Recens et Neriam (Frisches Haff and Frische Nehrung, now Vistula Spit) and finally in 1288 Recenti Mari Hab (Haff) which as one can see corresponds with later German "Frisches
Tortuguero Lagoon Tortuguero Lagoon Laguna Tortuguero Natural Reserve is a natural reservoir located between the municipalities of Vega Baja and Manatí in Puerto Rico. The lagoon is one of only two natural reservoirs in the island of Puerto Rico (the other being Joyuda Lagoon), and is home to an ample variety of species. Tortuguero Lagoon Nature Reserve is the only freshwater lagoon in Puerto Rico. It contains about 708 million gallons of water. The reserve was designated in 1979 through a program of Coastal Zone Management PR. It is located between the municipalities of Vega Baja and Manatí. It covers approximately 2.43