The following residential real-estate transactions took place between June 20 and June 24. A home on Casey Key tops all transactions in this week's real estate. Sole Investments II LLC sold the home at 1215 Casey Key Road to Vincent and Donna Hartnett, of Chester Springs, Pa., for $3.05 million. Built in 1962, it has four bedrooms, three-and-a-half baths, a pool and 2,781 square feet of living area. It previously sold for $3,700,000 in 2005.