Aventura is a city found in the northeastern part of Miami-Dade County, Florida. The city name is from the Spanish word for "adventure," and was named "Aventura" because that was the name of the original group of condominium developments in the area. The name predates the well known mall built near the condominium developments. According to the 2020 U.S. census, 40,242 people lived in the city.