If it's rugged and windswept landscapes you're after, head to Punta de la Desenrocada. This unique landmass is especially lovely to visit as the sun rises.
When you've spent some time at this coastal attraction in Sitges, why not check out Sitges Beachfront, San Sebastian Beach, and Vilanova I La Geltru Beach? They're close to Punta de la Desenrocada and also popular with many tourists.