The Balboa Peninsula is a neighborhood of the city of Newport Beach, Orange County, California. It is named after Spanish explorer Vasco Núñez de Balboa, the first European to sight the Pacific from the Americas. Balboa is primarily residential with some commercial areas.

Newport Beach is a coastal city of about 85,000 in southern Orange County, California, United States. Located about 40 miles (64 km) southeast of downtown Los Angeles, Newport Beach is known for its sandy beaches. The city's harbor once supported maritime industries. Today it is used mostly for recreation. Balboa Island draws visitors with a waterfront path and easy access from the ferry to the shops and restaurants.