The Downtown Alliance publishes this handy list of public bathrooms in their catchment area (south of Murray) every year, and I try to add to it with what I know north of Murray. Some of these are hidden in plain sight. (I only recently spied the one at the Seaport.) Chime in if I am missing something.

• Pier 25 (at N. Moore in Hudson River Park)
• Washington Market Park
• Whole Foods
• Battery Park City fields at West and Warren
• Target
• Columbus Park (Bayard and Baxter)
• New Amsterdam Library, 9 Murray Street (requires library card)
• Teardrop Park, inside the Solaire Building adjacent to the park
• Battery Park City Library, 175 North End Avenue (requires library card)
• Battery Park City Ferry Terminal
• Brookfield Place, 230 Vesey St (Level 1 by PJ Clarkes; Level 2 by Hudson Eats)
• Wagner Park, 20 Battery Place
• Castle Clinton National Monument, The Battery
• The Battery Comfort Station, Battery Place and Washington Street
• National Museum of the American Indian, 1 Bowling Green
• The View at the Battery, Battery Underpass at South Street
• Staten Island Ferry Terminal, 4 Whitehall Street

• Pier 11 / Wall St. Ferry Terminal, South Street
• Pier 17 – Level 4. Includes a family restroom
• 60 Wall Street Public Atrium, Wall Street and Hanover Street
• Trinity Church, 102 North End Avenue
• Battery Parking Garage, 70 Greenwich Street
• 2 World Trade Center, Balcony level (north concourse)
• 3 World Trade Center, Balcony level by stairs and main level by stairs
• St. Paul’s Chapel, 209 Broadway
• East River Greenway Public Restroom, between Pier 15 and Pier 16
• Imagination Playground, Front St., John St. and South St.