The Passage Key National Wildlife Refuge is part of the United States National Wildlife Refuge System, located offshore from St. Petersburg. The 64-acre refuge was established in 1905 by President Theodore Roosevelt to preserve nesting colonies of native seabirds and wading birds. The Passage Key Wilderness Area is part of the refuge, and co…The Passage Key National Wildlife Refuge is part of the United States National Wildlife Refuge System, located offshore from St. Petersburg. The 64-acre refuge was established in 1905 by President Theodore Roosevelt to preserve nesting colonies of native seabirds and wading birds. The Passage Key Wilderness Area is part of the refuge, and consists of 36.37 acres of its total area. It was established in 1970, to protect native birds and serve as a breeding ground for them.