A halotherapy room at sea sounds like marketing until you're standing in one. We checked every major cruise line's own spa pages, deck plans, and current sailings to find out exactly which ships have a real Himalayan salt room — and which ones only sell the idea of one.
Each ship page cites where the confirmation came from — the cruise line's own site wherever possible. Blue Mind Score (BMS) rates how restorative the actual room feels to visit, from a 1 (crowded, transactional) to a 10 (genuinely still).
Every ship on this site was checked against the cruise line's current, official spa page — not a five-year-old blog post. Where sources disagreed, we say so and show our work.
This directory pairs with AquaticTherapyHub.com, where we cover the Blue Mind research behind why water and restorative environments lower stress in the first place.