Norwalk, situated on Long Island Sound, offers various free activities:

1. Norwalk Islands: While boat access requires a fee, viewing the islands from shore is free.
2. Lockwood-Mathews Mansion Museum (grounds): Admire the exterior of this historic mansion.
3. Norwalk Historical Society Museum: Learn about local history through free exhibits.
4. Oyster Shell Park: Enjoy waterfront views and walking paths.
5. Norwalk River Valley Trail: Walk or bike along this scenic trail.
6. SoNo Switch Tower Museum: Learn about railroad history (donations suggested).
7. Mathews Park: Enjoy the playground and green spaces in this central park.
8. Mill Hill Historic Park: Explore this outdoor museum complex showcasing Norwalk’s history.
9. Calf Pasture Beach: While parking fees apply in summer, walking and enjoying the views is always free.
10. Norwalk Art Space: View contemporary art exhibitions for free.