Credit: Google Maps via WINK News. One person was killed in a single-vehicle crash on Golden Gate Boulevard in Collier County Saturday. The crash happened on Golden Gate Blvd at the intersection with 31st St SW, near Big Cypress Elementary School. The driver, Colby Singletary, 18, of Naples was killed after driving into the median and hitting a tree. Singletary was not wearing a seatbelt, according to FHP. Passenger Alexis Renner, 17, also of Naples, is in serious condition and was restrained with a seatbelt. FHP says the crash was not alcohol related and remains under investigation.