A 100-square-kilometre lake with the town of Flores on a small island near its southern shore. Boat tours from the eastern docks circle the island, stop at the small archaeological site on the Tayasal peninsula opposite, and continue out to the ARCAS wildlife centre or to swimming spots on the far shore. Half-day trips are easy to arrange on the morning of.
Swimming directly off Flores is not recommended — the water near town is dirty — but lake-edge beaches a few kilometres out (notably around El Remate on the eastern shore) are clean and quiet.