Côté Océan in Angoulins offers a private wellness circuit with a sauna, hammam and whirlpool. The operator lists standalone reserved spa sessions lasting 30, 60 or 90 minutes at €19, €25 or €35 per person. Book with reception before visiting because capacity is limited. The sauna is inside the Côté Océan residence at 18 Avenue de Châtelaillon, about ten kilometres south of central La Rochelle.