Sugarloaf Mountain and Urca Hill Natural Monument Mountain, then an island, on 1 March 1565. The site was chosen to guard the entrance to Guanabara Bay, and the mountain was important as a signalling point. A landfill connected the island to the mainland in 1697, and various buildings were erected to defend the territory, but the Urca urban neighborhood was only built 300 years after the city was founded. The Sugarloaf Mountain and Urca Hill Natural Monument was created by the city of Rio de Janeiro by municipal decree 26578 of 1 June 2006. The objectives are to guarantee green spaces for leisure in a natural area,
Lower Sugarloaf Key named after himself, but the city did not succeed due to the local mosquitoes. Lower Sugarloaf Key Lower Sugarloaf Key is the lower arm of an island known as Sugarloaf Key in the lower Florida Keys about 13 miles east of Key West. U.S. 1 (or the Overseas Highway) crosses the key at approximately mile markers 16.5–17.5. Due to the routing of U.S. Route 1, it appears that Upper Sugarloaf Key and Lower Sugarloaf Key are separate islands, but they are actually one large "U"-shaped island. As its name implies, Lower Sugarloaf Key is the lower arm of Sugarloaf Key,