Swimming

Here’s something most Athens guidebooks don’t emphasize enough: the city has a coastline. Not a “there’s a grey industrial port somewhere nearby” coastline — an actual riviera with clear blue water, sandy beaches, seaside restaurants, and sunset views that belong on a postcard. The Athenian Riviera stretches south from the port of Piraeus to Cape Sounion, and the best beaches are 20-40 minutes from the city center by tram. After a morning sweating at the Acropolis, you can be floating in the Aegean by lunchtime. That combination — ancient history in the morning, beach in the afternoon — is what makes Athens different from every other European capital.