When planning a trip to Italy, it’s only natural to try and fit in some time at the beach. After all, with more than 4,700 miles of shoreline, it would be a shame not to see some of it. Perhaps more than the coast, Italy is world-famous for its history and archaeological sites. What if there was a way to combine a day at the beach with a trip to ancient Roman ruins?

Luckily for you, you can visit ruins near beautiful beaches and see ruins under the water, swimming between sunken colonnades and drowned sculptures. Here are three sites, all within two hours of Naples, where you can swim, bask in the sun, and see ruins around and under the water.