The "Island of Death", as El Frontón is also known, was used since Colonial times as penal colony, penitentiary for common criminals and as a feared political prison. After the well-known prison riot in 1986, which was terminated by the military in a very bloody manner, the prison was finally closed.

San Lorenzo is the largest island offshore Callao. It's about 8 km long and 2.2 km wide. The ancient inhabitants of the Callao region worshipped the island as place of the goddess Shina and adored it for its beauty and richness in fish and other seafood. The archaeologist Max Uhle discovered a prehistoric temple and a cemetery with over 3000 graves containing daily utensils, cloth and gold and silver objects.

Ancón is located 44 km north of the historical Center of Lima and still belongs politically to the Province of Metropolitan Lima. During Colonial times Ancón was known as the "Pueblo de Pescadores de Lancón" (Fishing village of Lancón). In the beginnings of the Peruvian Republic the small fishing village developed quickly during the middle of the 19th and 20th century as the well fashionable spa and beach resort for the aristocracy of Lima.