Rosarito Beach is a coastal resort city in the Mexican state of Baja California located approximately 10 miles south of the U.S. border in Rosarito Beach Municipality. Its beaches and dance clubs are a popular destination for young people from the United States during the Memorial Day and Labor Day weekends. Rosarito Beach is the seat of the municipality of Rosarito Beach. The city is the second largest in the Tijuana metropolitan area and southern beach city of the San Diego–Tijuana international metropolitan region. Additionally, it is the westernmost municipal seat in Mexico, slightly further west than neighboring Tijuana, which lies inland to its north-northeast.
Rosarito Beach lies on the coast of the Pacific Ocean on the Baja California Peninsula. The city is positioned between the foothills of the Peninsular Ranges and the ocean. It maintains a relatively uniform topography and displays few variances in terrain.