Riviera Beach is a city in Palm Beach County, Florida, United States, which was incorporated on September 29, 1922. Due to the location of its eastern boundary, it is also the easternmost municipality in the Miami metropolitan area. In the 2020 U.S. Census, the total population of Riviera Beach residents was 37,604 people.

Singer Island is a peninsula on the Atlantic coast of Palm Beach County, Florida, in the South Florida metropolitan area. Most of it is in the city of Riviera Beach, but the town of Palm Beach Shores occupies its southern tip. Its latitude of is 26.784 N and its longitude is −80.037; Florida's easternmost point is in Palm Beach Shores. Before the Palm Beach Inlet was created, Singer Island was connected to the island of Palm Beach to the south.