Cascais is a charming coastal town known for its beautiful beaches, family-friendly atmosphere, and scenic seaside promenades. It's perfect for families with kids, offering attractions like the Marina, the Boca do Inferno cliffs, and several safe sandy beaches ideal for children. The town also boasts excellent seafood restaurants and easy access to Lisbon, making it a great base for exploring the region.

The Algarve is a fantastic destination for families, offering beautiful beaches with calm waters perfect for kids, family-friendly resorts, and fun attractions like Zoomarine, an oceanographic park with dolphin shows and aquariums. The region also boasts delicious local seafood and kid-friendly dining options. With its warm October weather, it's ideal for outdoor activities and beach days.