Simplify the following text for a Grade 8 native English-speaking person.
Original: Isla de la Juventud ( `` Isle of Youth '' ) is the second-largest Cuban island and the seventh-largest island in the West Indies ( after Cuba itself , Hispaniola , Jamaica , Puerto Rico , Trinidad , and Andros Island ) .
Simplified: The Isle of Youth ( Spanish : Isla de la Juventud ) is the largest Cuban island after Cuba itself . It is the sixth-largest island in the West Indies .