Little Saint Germain Lake is 2.6 mi (4.2 km) from central St Germain, why not stop by during your stay.
If thrills are what you're after, head to Elmer's Fun Park, located 4.1 mi (6.5 km) from central St Germain. If you'd also like to explore some of the parks in St Germain, head to Bittersweet Lakes State Natural Area and Boat Landing Park.