Rosemary Beach, Seagrove & Seaside, Florida, Vacation Rentals include beach homes, cottages, and luxury beachfront villas. To view more about a particular Seagrove or Seaside rental click on its name or on the rentals photo. The homes presented here are privately owned Seaside and Seagrove vacation rentals rented out by owner or their agent. Seaside, Seagrove & Grayton Beach are quaint beach towns located along Florida's Route 30A. Known as the Emerald Coast, you will enjoy brilliant green waters, soft, white sands and an easy pace of life. Begin your Route 30 A vacation today by booking one of these wonderful Vacation Rentals.