A true gem on the strand of pearls known as The Overseas Highway is now part of the Cortex Resort Living portfolio at Mile Marker 70 in Islamorada. The 28-acre Fiesta Key, for decades the marquee property of Kampgrounds of America, will soon become Seaglass, an ecological-friendly resort of more than 200 residences featuring a vibrant seaport called Wrecker’s Cay Marina. Famed architect Guy Grassi, who has designed more Florida Keys homes than anyone in history, is putting his magical pen to work on a community that will be sold as private residences and operated as a resort, with restaurants, bars, spa and access to some of the finest water amenities in the world.