For the movie The Mosquito Coast, most parts of the movie were filmed in Belize. One of the locations is Ambergris Caye in San Pedro.
One actual location is now a beach side park and it is maintained by the San Pedro Lions Club.
This is in bar wall in Belize.. Mosquito Coast 1985 crew photo and plaque. pic.twitter.com/P9OsNm6tjS— Oscar Dunbar (@OscarJayDunbar) January 4, 2014