Prince Edward Island (Canada) is 21 times larger than Cayman Is..
Area: 264 km2 World Factbook
Population: 54,914 (July 2013) World Factbook
The Cayman Islands are a British Overseas Territory in the western Caribbean Sea. The territory comprises the three islands of Grand Cayman, Cayman Brac and Little Cayman, south of Cuba and northwest of Jamaica. Wikipedia