Key West, Florida, is known for its distinctive and colorful architecture, reflecting the island's unique history, tropical climate, and cultural influences. Here are some key features of Key West architecture:

1. **Conch Style:** The predominant architectural style in Key West is known as "Conch style." It takes its name from the residents of Key West, who are often called "Conchs." Conch-style architecture is characterized by wooden, one or two-story structures with large porches, louvered shutters, and metal roofs. These homes are designed to capture the island's breezes and provide shade from the sun.

2. **Bahamian and Caribbean Influences:** Key West's architecture is influenced by its proximity to the Bahamas and the Caribbean. The use of pastel colors, decorative wooden features, and shutters are common elements borrowed from Caribbean and Bahamian architectural styles.

3. **Tin Roofs:** Many historic buildings in Key West feature tin roofs. These roofs not only provide protection from the elements but also contribute to the island's charming aesthetic.

4. **Gingerbread Trim:** Elaborate gingerbread trim, characterized by intricate wooden latticework and decorative details, is a common feature in Conch-style homes. This trim is often found on porches, balconies, and around windows.

5. **Shotgun Houses:** Shotgun houses, characterized by a linear layout with rooms arranged one behind the other, are also present in Key West. These simple and functional structures can be found in various neighborhoods.

6. **Historic Districts:** The Old Town area of Key West is home to many historic buildings, and several neighborhoods are designated as historic districts. The Historic Seaport District and the Truman Annex are notable areas with well-preserved historic architecture.

7. **Cigar Maker's Cottage:** Some homes in Key West are reminiscent of the island's cigar industry history. Cigar maker's cottages, where workers once rolled cigars, feature unique architecture with high windows for natural light.

8. **Courtyards and Gardens:** Many homes in Key West are designed with lush tropical gardens and courtyards. These outdoor spaces serve as private retreats and contribute to the overall charm of the architecture.

9. **Hemingway's Home:** The Ernest Hemingway Home and Museum, a popular attraction in Key West, showcases a Spanish Colonial-style house where the famous author lived. The house and its surrounding grounds provide insight into both the architectural and historical aspects of Key West.

Key West's architecture reflects a blend of influences, creating a unique and visually appealing environment. Strolling through the streets of Old Town or visiting historic sites can offer a fascinating journey through the island's architectural history.