Jurassic Park Topographic Map Isla NublarIsla Nublar was a remote island located 120 miles west of Costa Rica and 87 miles east of the Muertes Archipelago. The island spanned 77 square kilometers and featured mountainous ridges that created diverse ecological niches. In the 1980s, after John Hammond abandoned the idea of a smaller Jurassic Park: San Diego, his company, InGen, searched for a larger and more isolated preserve. In 1987, the last remaining descendant of the Bribri Tribe