Spa La Spiaggia Segreta is the mosaic-lined spa of the five-star Grand Hotel Savoia beside Genova Piazza Principe station. It has a wooden biosauna at 90°C, a Turkish bath at 45 to 50°C, a heated bench, emotional showers, an ice fountain and a large hot tub. Non-guests can book it through the hotel's vouchers, including exclusive two-hour use for two. Open late afternoons on weekdays; no children under 12.