Thermal bath saunas in Ischia, Italy
Giardini Poseidon Terme
Poseidon's public thermal gardens at Citara Bay combine pools at different temperatures with a natural steam grotto, a 15°C cooling pool and Kneipp circuits. Day admission is sold at the gate. The 2026 season runs from 18 April to 31 October, with shorter hours from 1 October.
Negombo Thermal Gardens
Negombo's public thermal park in San Montano Bay has thirteen pools at different temperatures, a Turkish steam bath, beach access and changing facilities. The hammam is included in the park ticket. Its 2026 season ended on 13 October; the operator lists reopening on 23 April 2027.
Parco Termale Castiglione
Castiglione sells public entry to its thermal park above the Gulf of Naples. Ten thermal pools, including two indoors, sit alongside Turkish steam baths, Kneipp paths and seawater cooling. Advance booking is optional. Its published 2026 season ended on 4 October; check the operator for the next reopening date.
Hotel Terme Oriente Day Spa
Hotel Terme Oriente opens its spa to visitors who are not staying overnight for €25 per session. The circuit includes a sauna, Turkish steam bath, heated whirlpool, Kneipp path, thermal showers and relaxation area. The operator also advertises winter spa services; confirm a session with the hotel before visiting.
Hotel Terme San Michele Spa Day
Hotel Terme San Michele's SpaDay gives outside visitors access to an indoor and outdoor thermal pool, sauna, steam bath, emotional shower and rest area. The published 2026 package cost €50 in April, May and October or €90 in summer, and was offered through 18 October. Ask the hotel for its next SpaDay dates.
Giardini Poseidon Terme
Poseidon's public thermal gardens at Citara Bay combine pools at different temperatures with a natural steam grotto, a 15°C cooling pool and Kneipp circuits. Day admission is sold at the gate. The 2026 season runs from 18 April to 31 October, with shorter hours from 1 October.
Negombo Thermal Gardens
Negombo's public thermal park in San Montano Bay has thirteen pools at different temperatures, a Turkish steam bath, beach access and changing facilities. The hammam is included in the park ticket. Its 2026 season ended on 13 October; the operator lists reopening on 23 April 2027.
Parco Termale Castiglione
Castiglione sells public entry to its thermal park above the Gulf of Naples. Ten thermal pools, including two indoors, sit alongside Turkish steam baths, Kneipp paths and seawater cooling. Advance booking is optional. Its published 2026 season ended on 4 October; check the operator for the next reopening date.
Hotel Terme Oriente Day Spa
Hotel Terme Oriente opens its spa to visitors who are not staying overnight for €25 per session. The circuit includes a sauna, Turkish steam bath, heated whirlpool, Kneipp path, thermal showers and relaxation area. The operator also advertises winter spa services; confirm a session with the hotel before visiting.
Hotel Terme San Michele Spa Day
Hotel Terme San Michele's SpaDay gives outside visitors access to an indoor and outdoor thermal pool, sauna, steam bath, emotional shower and rest area. The published 2026 package cost €50 in April, May and October or €90 in summer, and was offered through 18 October. Ask the hotel for its next SpaDay dates.