High Quality Content by WIKIPEDIA articles! GateKeeper is a steel Wing Coaster roller coaster built by Bolliger & Mabillard currently under construction at Cedar Point in Sandusky, Ohio, United States. It will be the fifth Wing Coaster to be built in the world and will be opening on May 11, 2013. It will break many records such as being the longest and having the longest drop on a Wing Coaster. It will also feature the highest inversion on any roller coaster in the world with the 170 feet (52 m) Wing Over drop. It will replace Disaster Transport and Space Spiral, which were demolished during the summer of 2012. GateKeeper will be the 16th roller coaster at Cedar Point and the third manufactured by B&M after Raptor in 1994 and Mantis in 1996. It also will be the first roller coaster installed at the park since Maverick in 2007.