Family of liars by E. Lockhart

Return to the story of another summer, another generation, and the secrets that will haunt them for decades to come. A windswept private island off the coast of Massachusetts. A hungry ocean, churning with secrets and sorrow. A fiery, addicted heiress. An irresistible, unpredictable boy. A summer of unforgivable betrayal and terrible mistakes. Welcome back to the Sinclair family. They were always liars.