Krestovskiy Island (Krestovsky Ostrov) is an island located in the Gulf of Finland, situated within the federal city of Saint Petersburg, Russia. It is part of the larger archipelago and serves as a significant urban area integrated into the city's coastal geography.
The island is known for its diverse land use, featuring residential areas, industrial sites, and recreational spaces. Notable landmarks on the island include sports facilities and cultural venues, contributing to its role as a prominent destination within the Saint Petersburg metropolitan region.