"Problem is we won't be able to show it to anybody."This article would greatly benefit from the addition of one or more new images.Please upload a relevant canonical image and place it here. Once finished, this notice may be removed. Smilin' Skull Island was an island in the Caribbean Sea that resembled a smiling skull. It was the home base for Mac the Black. This article is a stub about a general location. You can help Futurepedia by expanding it. Appearances Back to the Future: The Animated Series "Mac the Black" Retrieved from "https://backtothefuture.fandom.com/wiki/Smilin%27_Skull_Island?oldid=35372" Categories: Imageless Location stubs Locations outside Hill Valley 1697 Animated Series Community content is available under CC-BY-SA unless otherwise noted.