Sauna ROI: How Much Revenue Can a Hinoki Sauna Room Add to Your Property?
Sauna ROI: How Much Revenue Can a Hinoki Sauna Room Add to Your Property? : Every hospitality owner eventually asks the same question about a new amenity: will it actually pay for itself? A sauna room is not a small purchase, and it is fair to want proof before committing budget to it. The good news is that a well placed Hinoki sauna room does not just sit quietly as a cost on the balance sheet. It works, and it works in three specific, measurable ways: through direct day pass sales, through longer average guest stays, and through premium upsells on rooms or villas that include private access. Let's walk through each one.
- Direct Revenue from Day Passes and Spa Credits
The most straightforward revenue stream is also the easiest to track. Many properties open their sauna facilities to non staying guests through day passes, spa credits, or bundled wellness packages. A single well designed Hinoki sauna room, placed near a pool or garden area, can be sold as a stand alone experience priced anywhere from a modest add on fee to a premium ticketed session, depending on your market positioning. For properties in wellness focused destinations such as Yogyakarta, Bali, or other tourism corridors, this alone can turn an amenity into a small but steady income line, especially during weekends and holiday periods when local day trippers are looking for a short wellness escape.
Some properties also bundle sauna access into spa packages alongside massages or hot and cold therapy circuits, which increases the average transaction value per guest without requiring additional square footage beyond the sauna room itself. - Longer Average Length of Stay
This is the less obvious but arguably more valuable effect. Guests who book a property specifically because it offers a wellness feature tend to plan their trip around that experience. Instead of a quick overnight stop, they extend their stay by an extra night or two to fully enjoy the ritual, especially when it is framed as part of a slower, more intentional travel experience. In practice, this means your existing rooms generate more revenue per guest without any change to your room rate or inventory. A sauna room effectively becomes a reason to stay longer, not just a reason to visit.
Properties that pair their sauna offering with light editorial content, such as a suggested wellness itinerary or a recommended time of day for the ritual, tend to see guests engage with the amenity more consistently throughout their stay, which reinforces the decision to extend. - Premium Room and Villa Upsells
The third and often highest value stream comes from positioning certain rooms or villas as premium units specifically because they include private sauna access. Rather than treating the sauna as a shared, communal facility only, some properties choose to install a smaller Hinoki cube or barrel sauna within select villas or suites, then price those units at a meaningful premium over standard rooms. Guests booking villas for honeymoons, anniversaries, or small family retreats are often willing to pay significantly more for the privacy and exclusivity of an in-room wellness feature, particularly when it is finished in natural, high quality materials like Hinoki wood rather than generic tiled steam rooms.
This approach also gives your sales and marketing team a clear, tangible feature to highlight in property listings, OTA descriptions, and social media content, which can improve conversion rates for those specific units.
Putting the Numbers Together
None of these three revenue streams needs to be large on its own to matter. A modest number of day pass sales, a small increase in average length of stay across your guest base, and a premium on just a handful of villa units can combine into a return that justifies the initial investment within a reasonable timeframe, often faster than owners expect when they first consider the upgrade. The exact numbers will vary depending on your property size, location, and existing guest profile, but the underlying logic holds across almost every type of hospitality business we have worked with, from small homestays to larger boutique hotels.
A Simple Next Step
If you are weighing whether a sauna room fits your property, the most useful exercise is not guessing at demand, but looking at your current guest reviews, your competitors nearby, and your own occupancy patterns during low season. These three signals usually tell you more about potential ROI than any general industry benchmark. Our team at Nagomi is happy to walk through your specific property with you and help you think through where a Hinoki sauna room would create the most value, both for your guests and for your bottom line.
Ready to explore what a Hinoki sauna room could add to your property? Reach out to the Nagomi team through WhatsApp or visit nagomi.id to start the conversation.