Casey Key is the definition of luxury estate waterfront real estate in Sarasota County. Casey Key, stretching the western boundaries of Osprey and Nokomis Florida, is the gateway to the Gulf of Mexico. This is truly a boater paradise with many properties having both beachfront and bay front deeded frontage. Homes on Casey Key generally start around $1,000,000 and $10 million plus homes are not uncommon. A home to celebrities, professional athletes and corporate giants. Casey Key is Sarasota's elite waterfront community complete with wonderful sandy beaches, spectacular sunsets and access for you boating pleasure to the clear blue waters of the Gulf of Mexico.