Key Biscayne is a barrier island that is located east of Miami, and is accessible by the Rickenbacker Causeway with an estimated population of around 13,500 people.

The island is home to several parks and nature preserves, including the Bill Baggs Cape Florida State Park, which features a historic lighthouse and offers stunning views of the Atlantic Ocean.

The town is known for its luxurious resorts, including the Ritz-Carlton Key Biscayne, the Four Seasons Hotel Miami, and the Grand Bay Club.

The island is a popular destination for outdoor activities such as biking, hiking, kayaking, and fishing, and has several miles of bike paths and walking trails. It also hosts an exclusive beach for kiteboarding and windsurfing. Key Biscayne is also home to the famous Crandon Park Tennis Center.

Key Biscayne has a rich history dating back to the Tequesta Native American tribe, who inhabited the island for centuries before the arrival of European explorers. The island was named after the Spanish phrase "Cayo Vizcaíno," which means "Biscayne Key."

Key Biscayne is also the site of several historical landmarks, including the Cape Florida Lighthouse, which dates back to 1825, and the Miami Marine Stadium, which was built in 1963 and is currently undergoing restoration.