Sunny Isles Beach is a city situated mainly on a barrier island in northeast Miami-Dade County, Florida, United States. It has a population of about 15,315 in the 2000 census. The U.S. Census Bureau recorded the population with a 15,399 counts in 2004. The city is bounded by the Atlantic Ocean on the east and the Intercostals Waterway on the west.

The major center of cultural diversity is the Sunny Isles Beach. Collins Avenue is the main thoroughfare through the city. It is sometimes referred to as Little Moscow because of its many Russian and Russian-descended residents. Usually, residents are Russia-Jews. The city is home to many exclusive hotels and condominiums and is located under the town of Golden Beach also known as Millionaire Row.

Sunny Isles Beach was also the site of MTV's annual Spring Break with headquarters at the local Newport Beachside Resort in 2008 celebration.