If you are staying in Altagracia, Nicaragua then this is a good option for swimming in the lake. The bus ride is 10 Cordoba to Santo Domingo from Altagracia and takes about 30 to 40 minutes depending on what the bus is hauling. The roads are pretty bad heading to Santo Domingo and that slows the trip down. They are putting in a new road and lots of construction.
The beach is very clean and you can wade out into the lake and have a nice swim. There are some restaurants and stores to grab some snacks.
Rush hour is a killer, be sure not to fall asleep in the street.
