1. The Sirrs family moved to the island because they were unhappy with their busy lifestyles and longed to escape the hustle and bustle of modern life.
2. "The estate" in paragraph 2 refers to a post office, six houses, and a private sandy beach - all for £60,000
3. They decided to visit the property in December.
4. The children were playing on the beach when they left.
5. Up to half of the sixty island inhabitants lived on the island