La Maddalena Spiaggia also known as Petrol beach is a sandy beach 20 minute drive from Cagliari city. The spot works well on SE (Scirocco) wind enhanced by the sea breeze. May to September are the ideal months to kitesurf here. You can expect winds from 12 to 30 knots. The beach might be less crowded than Poetto beach during the summer months.