Connected to the community since 1994! Customers have several options to pay their bills during this time: Online with check, credit or debit cards: Click "Pay". Checks and money orders can be left in the 2 Drop boxes outside of City Hall: 121 SW Port St. Lucie Blvd. 24/7 phone: (772) . Mail: PO Box 8987, Port St. Lucie, FL 34985.