Winters, Katie. Vineyard Sunset series #1

Susan Sheridan knows Martha's Vineyard like the back of her hand. She grew up there as the eldest of the three Sheridan Sisters, their father the longtime owner of the Sunrise Cove Inn in Oak Bluffs. The Inn, the water, the sun all spun with laughter, and love, with the most important people-- her family and friends. It was her glittering, perfect life--until it wasn't. Tragedy struck over twenty years ago, and Susan has hardly said a word to her sisters or her father or anyone else she ever loved