The Maritime Museum (Museu de Marinha) in Lisbon showcases Portugal's rich seafaring history and its role in the Age of Discoveries. Located in Belém next to the Jerónimos Monastery, it highlights the country's maritime legacy from the 15th century onwards.

Inside, visitors can explore a vast collection of over 20,000 items, including ship models, navigation instruments, nautical maps, astrolabes, and royal ceremonial boats. The exhibits trace the evolution of Portuguese exploration and naval power in a clear, engaging way.

A visit typically takes 1-1.5 hours and fits well with nearby Belém attractions, making it a great stop for anyone interested in history and exploration.