The business case for hotel wellness: every number, sourced
What the 2024–2026 data actually shows about wellness amenities and hotel performance — revenue, rate, profit, demand — with every figure attributed, the weak claims flagged, and the honest caveats kept in.
Wellness copy is full of numbers that fall apart when you pull the thread. This guide is the opposite exercise: the case for a hotel wellness amenity built only from figures we could trace to a named source — with the popular-but-unverifiable claims flagged on the way out. It is the sourcing behind our hospitality page; the modelling method lives in the companion guide, hotel sauna ROI.
The demand side: your guest changed
Rest is now the stated point of travel. In Hilton’s 2026 Trends survey, 56% of travellers named rest and recharge as their primary reason for leisure travel. And guests who travel for wellness bring bigger wallets: the Global Wellness Institute’s ten-year compilation (2022 travel data, published March 2024) puts the international wellness traveller at $1,764 per trip, 41% above the average international tourist — and the domestic wellness traveller at $668 per trip, 175% above average. The domestic premium is the one for drive-to properties to sit with: the wellness-motivated guest spends materially more per trip on average — though no dataset attributes that premium to any single amenity.
At the luxury end, trade coverage of ILTM × Altiant × Hyatt research (a survey of 800 verified high-net-worth travellers across six countries, late 2024) reports 92% willing to spend extra for a wellness-focused stay — and 72% more likely to book a hotel offering specialised amenities like saunas and ice baths. That second number is the whole argument in one line: the amenity is now a booking filter, not a nice-to-have.
The culture is compounding underneath the surveys. Public saunas in the UK roughly tripled between 2023 and 2025 (British Sauna Society census). Six new bathhouses open in New York in 2026 alone — Wallpaper* covered it as a citywide movement. École hôtelière de Lausanne’s hospitality-trends desk put it plainly in July 2026: “very few wellness traditions have moved from niche to mainstream as quickly as sauna bathing.”
The performance side: what wellness hotels actually earn
The most-cited dataset is RLA Global × HotStats, which segments 11,000–12,000 hotels’ real P&Ls by wellness footprint. The FY2024 report: hotels with major wellness offerings generated more than twice the total revenue per available room (+108% TRevPAR) of hotels with none.
The 2025 mid-year cut added the finding we think matters more, especially outside the resort flagships: “Minor Wellness” hotels — lighter wellness footprints, under the heavy-spa capex line — beat “Major Wellness” hotels on rate ($250 vs $232 ADR), revenue per room ($170 vs $161 RevPAR), and profit growth (+5.0% vs +2.9% GOPPAR) in H1 2025. Heavy spa builds carry heavy payroll; focused wellness assets don’t. The data has started favouring the property that builds less, better.
CBRE’s spa-department research (297 US hotels, 2023–24) explains the mechanism from the cost side: spa revenue grew 1.4% while spa department profit fell 0.5%, because labor costs rose 3.9%. A staffed treatment menu is a payroll decision. A self-serve heat-and-cold circuit, booked by the private hour and turned round by housekeeping, mostly isn’t.
The pricing evidence: named properties, listed prices
No projections here — these are listed prices and policies, as checked in July 2026 (native currency is authoritative; dollar figures are approximate conversions at that date):
- Gleneagles (Scotland) lists a private 90-minute outdoor sauna and cold-plunge session at £220 for two guests (+£80 per additional guest).
- Grand Hôtel Stockholm sells standalone Nordic Bath entry — sauna and hot/cold pools, before any treatment — at 2,150 SEK (~$205).
- Estelle Manor (Cotswolds) gates its thermal gardens to members and hotel guests only: no public day passes at all — access is reserved for hotel guests and members.
And the demand stories behind them: the owner of Secret Garden Glamping in Lancashire tells it that his first hot-tub-and-sauna cabin listing sold out two and a half years of nights within 48 hours of a viral feature (his own account, worth hearing as such). Helsinki’s Löyly turned an urban sauna into a destination strong enough that its restaurant operator reported an all-time sales record during its opening summer — and earned a place on TIME’s World’s 100 Greatest Places list (2018).
The capital side: the money is already moving
The Global Wellness Institute values wellness real estate at $584 billion in 2024, up 18% in a year, forecast to nearly double to $1.1 trillion by 2029. The broader wellness economy reached $6.8 trillion in 2024 and has grown at 6.5% a year since 2013 — roughly twice global GDP growth. On the operator side, institutional capital has entered the sauna category itself: Toronto-born bathhouse operator Othership has raised roughly $20M across rounds to expand city by city (trade-press-reported). None of that guarantees your property’s return — but it settles the “is this a fad” question with other people’s money.
The health evidence — used honestly
One body of research is strong enough to cite with numbers: the Finnish cohort studies. Across 2,315 middle-aged men followed for a median of 20.7 years, men using the sauna 4–7 times a week had a markedly lower rate of sudden cardiac death than once-a-week users (JAMA Internal Medicine, 2015); a follow-up cohort including women found the same dose-dependent pattern for cardiovascular mortality (BMC Medicine, 2018). These are observational associations in Finnish cohorts — not proof of cause, and not a promise your marketing should ever make. What they support saying: the sauna habit your guests are forming has serious, peer-reviewed research behind it.
The numbers we refuse to use
You will meet plenty of wellness numbers elsewhere that fail a pull on the thread. Two examples we checked and rejected: “Cornell: wellness hotels score 6% higher guest satisfaction” (no traceable Cornell study exists — it circulates blog-to-blog) and “a sauna lifts ADR 25–30% and occupancy 10–15%” (sauna-vendor marketing with no methodology, sample or study behind it). Our acceptance rule is simple: a traceable named source, a defined sample, a stated period, and no property-level causal inference from sector data. If a number can’t meet that bar, it doesn’t belong in a capex memo — yours or ours.
What this means for a property
Sector data tells you the category moved. It does not tell you what your ground will earn — that depends on your ADR, your occupancy, your session pricing, your seasonality. That’s why our dossier ships with the model in spreadsheet form, built on your inputs — your ADR, your occupancy, your session pricing — so your revenue team can stress-test every line. The compositions the model prices — from a single sauna to a full outdoor spa ground — are on the wellness spaces page; the anchor building itself is the sauna.