Courtesy of Alberto Font of The Tico Times, Golfo Dulce. It is few open water swims that start with the cries of macaws. But there are few swims held in such a location as the Golfo Dulce in Costa Rica. 19-year-old Christopher Lanuza of Heredia won the inaugural 14 km race across Golfo Dulce in 2 hours 57 minutes. The Cruce Aguas Abiertas Golfo Dulce