Imagine strolling along Tarragona Port for some great waterfront pics. It's located 0.6 mi (0.9 km) from central Tarragona. Hotels.com travelers also say the area is walkable and has lots of nice beaches. If you carry on walking you'll get to Tarragona Marina and Miracle Beach for some more water views.
You can learn about the history of Tarragona with a visit to Plaza Imperial Tarraco. While you're in the area, stroll along the beautiful beaches.