[2] Since it has seen uninterrupted use after opening in 1850, it carries the distinction of being the country's oldest, continuously operating enclosed shopping mall.

1 Public Square, the arcade remains the benchmark structure in Watertown's historic downtown district.

[3] The arcade was built by Watertown native Loveland Paddock and designed by architect Otis Wheelock.

In recent years, structural and aesthetic improvements, coupled with new businesses are helping to guarantee the arcade's future.

The arcade is the current (2024) home to Planned Parenthood, Johnny D's Casual Dining, Paddock Club Tavern, O-HO Boba Tea, CaffeineHolic, Paddock Arts & Antiques, Laborer's Local 1822, Kellogg & Kellogg LLP, Yoga House, American Kang Duk Wan Karate Assoc., Inked Arches, The Speakeasy Hair Salon, Anbu Tattoo, Vito's Gourmet.