There are a number of beautiful beaches in Sitges, we like Platja de la Fragata, Platja de la Ribera, Platja de Sant Sebastiá, and Platja de l'Estanyol
El Cable (tapas), La Salseta (Mediterranean), Costa Dorada (Catalan and Seafood), Karmela (tapas), and La Punta (tapas and small plates)
Museu del Cau Ferrat (must-see museum in Sitges), Palau de Maricel (another amazing art museum), walking tour (a number of walking tours are available to book to learn the history),
Garraf Natural Park (hikes and walks), Wineries (a number of wineries are in the area to sample the local flavors)