Praia de Naufragados sits at the far southern end of Santa Catarina Island, where Florianopolis starts to feel less like a beach city and more like Atlantic forest dropping into the sea. There is no road down to the sand; most visitors walk the forest trail from Caieira da Barra do Sul, with the option of returning by small boat if the sea and local operators cooperate.
The reward is a wide, undeveloped beach with stronger surf, green hills, and a proper edge-of-the-island mood. Bring water, sun protection, and enough time for the walk back, and do not treat it like an urban beach with services waiting every few metres.