Key Biscayne is a charming island town located just south of Miami, Florida, and east of Miami Beach. It is connected to the mainland by the Rickenbacker Causeway, making it easily accessible yet maintaining a distinct island feel. Here are some key features and attractions that characterize Key Biscayne:

1. Beaches: Key Biscayne boasts some of the most beautiful beaches in the Miami area. Crandon Park Beach, located on the northern part of the island, is famous for its soft white sands and shallow waters, ideal for families. Bill Baggs Cape Florida State Park, on the southern tip of the island, offers a more serene beach experience with stunning views of the historic Cape Florida Lighthouse.

2. Outdoor Activities: The island is a paradise for outdoor enthusiasts. Apart from beach activities like swimming, sunbathing, and picnicking, Key Biscayne offers opportunities for hiking, biking, and kayaking. Crandon Park, in particular, has scenic trails and a nature center where visitors can learn about the local flora and fauna.

3. Cape Florida Lighthouse: This historic lighthouse, located in Bill Baggs Cape Florida State Park, dates back to 1825 and is the oldest standing structure in Miami-Dade County. Visitors can climb to the top for panoramic views of Biscayne Bay and the Atlantic Ocean.

4. Crandon Park Marina: This full-service marina is a hub for boating and fishing enthusiasts. It offers boat rentals, charters, and facilities for docking private boats. Many visitors also enjoy dining at the waterfront restaurants overlooking the marina.

5. Miami Open: Key Biscayne is known for hosting the Miami Open, one of the largest tennis tournaments in the world, held annually at the Crandon Park Tennis Center. The tournament attracts top tennis players and fans from around the globe.

6. Village of Key Biscayne: The island has a relaxed, upscale vibe with a mix of residential neighborhoods and luxury condominiums. The Village of Key Biscayne offers boutique shopping, gourmet dining options, and a range of accommodations including hotels and vacation rentals.

7. Biscayne National Park: While not on Key Biscayne itself, nearby Biscayne National Park is a must-visit for nature lovers. It encompasses diverse marine ecosystems, coral reefs, and mangrove forests. Visitors can explore by boat, snorkel, or scuba dive to discover the park's underwater treasures.

Overall, Key Biscayne is a tranquil retreat just a short drive from the vibrant city of Miami, offering a blend of natural beauty, outdoor activities, and cultural attractions. It's a popular destination for both day trips and longer stays, appealing to travelers seeking relaxation and adventure in a picturesque setting.