On your fourth day, venture beyond Speicherstadt and explore the vibrant neighborhood of St. Pauli. Start with a visit to the St. Pauli Piers, where you can enjoy panoramic views of the harbor and watch the ships go by. Explore the famous Reeperbahn, Hamburg's entertainment district known for its nightlife, theaters, and bars. Visit the Beatles-Platz, a square dedicated to the legendary band. In the evening, catch a live music performance or enjoy a comedy show at one of the many venues in the area.