Baia delle Zagare, Puglia

Baia delle Zagare features sea stacks and white pebble beaches beneath dramatic limestone arches, earning it a Protected Natural Area designation. The main cove stretches 150 meters and requires a 20-minute walk from the nearest parking, filtering out day-trippers who prefer easier access. A geological survey found the limestone arches date back 70 million years, and the beach records only 150 visitors daily in peak season, delivering a serenity that outperforms every other entry on this list.