From Monogrammed bathrobes and crystal wine glasses to espresso machines and handcrafted pepper grinders, luxury hotels are quietly fighting one of hospitality’s oldest and most fascinating problems – theft.

Luxury hotels are built on details. It is the reassuring weight of a crystal wine glass as you toast the beginning of a holiday. The impossibly soft bathrobe waiting after a massage.

The aroma of freshly brewed espresso drifting through your suite each morning. The handcrafted pepper grinder placed beside perfectly grilled local seafood. Individually, they are simply objects. Together, they create a feeling that defines truly exceptional hospitality.

Perhaps that is why guests have been quietly taking them home for decades.

After more than twenty years reviewing luxury hotels across Europe, Asia and Australia, there is one conversation that inevitably arises whenever I sit down with a hotel general manager. It rarely begins with occupancy, RevPAR or Michelin stars. Instead, it often turns to a surprisingly universal question.

“What have guests stolen this week?” It is a subject that hospitality leaders discuss with equal parts amusement and frustration. While most incidents are relatively minor, the cumulative cost to luxury hotels around the world runs into millions of dollars each year. More fascinating, however, is what these disappearing objects reveal about human behaviour.

According to international hospitality surveys, bathrobes continue to top the list of the world’s most frequently stolen luxury hotel items, closely followed by towels. That probably comes as little surprise. Thick Egyptian cotton robes embroidered with an iconic hotel crest have become symbols of indulgence, and many guests convince themselves they are taking home a souvenir rather than removing hotel property.

Yet luxury hotels are witnessing a noticeable shift. As guest rooms have become more sophisticated, so too have the objects disappearing from them.

Premium espresso machines have become one of the industry’s more surprising losses. Beautifully designed capsule coffee machines now feature in many of the world’s finest suites, transforming a simple morning coffee into part of the luxury experience. Increasingly, some guests decide the experience should continue at home.

Wine glasses and champagne flutes are another favourite.

Luxury hotels invest enormous sums sourcing crystal from renowned European makers because every detail contributes to the dining experience. The weight of the glass, the shape of the bowl and even the way it catches the light are carefully considered. When guests fall in love with those details, the temptation to slip one carefully into a suitcase apparently becomes difficult for some to resist.

The same applies to handcrafted pepper grinders, elegant ceramic soap holders, cutlery, marble bathroom accessories, leather stationery folders, bespoke coffee cups and decorative serving trays. They are rarely expensive in isolation, but collectively they form part of a hotel’s visual identity. Guests notice them because they feel distinctive rather than generic.

Industry research suggests that five-star hotels face a very different pattern of theft to budget accommodation. Economy hotels are more likely to lose inexpensive towels or toiletries. Luxury properties report the disappearance of coffee machines, artwork, designer lamps, electronic devices, premium hairdryers and carefully curated decorative objects. The more aspirational the hotel, the more aspirational the missing items become.

It raises an obvious question. Why would someone who can comfortably afford these objects choose to take them? The answer appears to have surprisingly little to do with money.

Behavioural psychologists often describe the phenomenon as emotional ownership. During a hotel stay, guests begin to develop an attachment to the environment around them. The bathrobe is no longer simply a robe. It is the robe worn while watching the sun rise over the Aegean. The espresso machine becomes associated with slow mornings overlooking Hyde Park. The wine glass recalls an anniversary dinner in Tuscany or a honeymoon in the Maldives.

The object evolves into a memory. Luxury hotels understand this psychology better than anyone.

Increasingly, the world’s leading properties are embracing it rather than fighting it. Browse the online boutiques of many of the world’s great hotels and you will discover that almost everything guests admire can now be purchased. Robes, bedding, pillows, fragrances, candles, bath products, tableware and even mattresses are available to order. If a guest falls in love with the scent that greets them in the lobby or the pillows that deliver the perfect night’s sleep, the hotel would much rather sell those items than discover they have quietly disappeared after checkout.

It is a remarkably intelligent response. Rather than discouraging emotional attachment, hotels invite guests to extend it. Of course, there is still understandable confusion about what may legitimately leave a room.

Most luxury hotels expect guests to take complimentary amenities such as slippers, miniature toiletries ( which are rapidly becoming obsolete), sewing kits, stationery and vanity kits. These items have been provided specifically for that purpose. Bathrobes, towels, espresso machines, crystal glassware, pepper grinders, artworks and decorative accessories remain very much part of the hotel.

For many general managers, however, the more amusing stories have become part of hospitality folklore. Over the years, hotels around the world have reported missing televisions, artwork, mattresses, lamps, bathroom fittings and even grand pianos. Whether exaggerated through years of retelling or entirely true, the stories have become reminders that luxury hotels occasionally bring out surprisingly irrational behaviour in otherwise respectable guests.

Perhaps the greatest irony is that the more successful a hotel becomes, the greater the temptation appears to be.

The world’s finest hotels are designed to immerse guests completely. Every fragrance has been selected, every material considered and every object carefully chosen to create a powerful emotional response. Guests are not simply purchasing a room for the night; they are stepping into a beautifully curated world where every detail contributes to a sense of comfort, calm and aspiration.

When that experience is executed exceptionally well, some people understandably want to preserve a small piece of it. The real lesson is not that hotel theft exists. It always has and probably always will. Rather, it demonstrates the extraordinary power of thoughtful hospitality.

A bathrobe is never just a bathrobe. A pepper grinder is rarely just a pepper grinder. An espresso machine is about far more than coffee.

They become reminders of mornings that unfolded more slowly than usual, conversations that lasted a little longer over dinner and holidays that briefly allowed life to feel wonderfully uncomplicated.

The finest luxury hotels do something very few places can achieve. They create experiences so memorable that guests desperately want to take them home. The only difference is that the most elegant souvenir should always come with a receipt.