The Post Office is located at:
601 Market Street
The Celebration Post Office was designed by Michael Graves, who has designed other buildings on the Disney properties, including the Dolphin and Swan Hotels.
The design of the was based on St. Petersburg Florida’s historic landmark. The Celebration Post Office features a rotunda in the entrance and is a wood board-and-batten building with painted metal roof. Outside, the Post Office features an open-air loggia for the town's mailboxes. Inside the Celebration Post Office the rotunda is an exposed wood joist ceiling.