Sit by the water or wander along the shoreline at Koggala Lake. It's a tranquil way to start or end the day.
You're spoiled for sightseeing choice when staying in Habaraduwa. Koggala Lake is an ideal place to kick off here, but there are lots of other interesting attractions to explore. Unawatuna Beach, Kabalana Beach, and Dalawella Beach are near the area of shallow water and will round out your day nicely.