THE ONE Boutique Hotel & Private SPA Roma - Rzym

THE ONE Boutique Hotel & SPA — Design, Comfort & Private Wellness in the Heart of Rome

Discover a contemporary retreat in Rome’s historic centre, just steps from the Trevi Fountain and within easy walking distance of the Spanish Steps and Piazza Barberini. THE ONE Boutique Hotel & SPA brings together distinctive Italian design, inviting spaces and an exclusive private SPA experience — an elegant setting for discovering the Eternal City at your own pace.

Distinctive Rooms & Thoughtful Comforts

Individually designed with bespoke furnishings, our rooms combine contemporary character with comforts that make you feel at home. Premium memory foam mattresses, a 50-inch TV, a Nespresso® coffee machine and air conditioninga welcoming retreat after a day exploring Rome.

Breakfast & All-Day Lounge

Start your morning with a generous breakfast in our stylish bar and breakfast area — a relaxed and inviting way to begin your day in the city. Breakfast is included in stays booked with a breakfast-inclusive rate.

Throughout the day, our guest Lounge offers a comfortable space to unwind, with soft background music and a 85-inch TV. Whether you are taking a break between sightseeing and an evening out, enjoying a quiet moment or spending time together, it is a welcoming extension of your room.

Your Exclusive Private SPA Experience — Available at an Additional Charge

Make time for a wellness experience that is entirely your own. Our SPA is reserved exclusively for you and your party during your booked session, rather than shared with other guests.

At its heart is a heated pool featuring hydromassage jets, geysers and a waterfall designed to massage the neck and shoulders. A Finnish sauna, Turkish bath, ice waterfall and sensory showers complete the experience.

SPA access, including use of the pool, is available only by advance reservation and at an additional charge. It is not included in the room rate. The pool is part of the private SPA and cannot be accessed without a confirmed SPA booking.

Rome on Your Doorstep

From the Trevi Fountain to the Spanish Steps, some of Rome’s most celebrated sights are just a short stroll away. Barberini Metro Station is approximately a five-minute walk from the hotel, making it easy to explore the city beyond the historic centre.

Check-in dalle 14:00 e termina alle 11:00.

Please note thatservices related to the Wellness & SPA centre such as: (use of the swimming pool, steam bath, sauna, etc.) are subject to reservation and payment, minors under the age of 18 are not allowed to access them.

Please note that our Wellness & SPA area is not a public common area, but a premium service for exclusive and private use, available only upon reservation. A sanctuary of wellness in the heart of Rome, designed to slow down time and restore your balance.

The hotel reserves the right to verify the validity of the credit card by performing a pre-authorization for an amount equal to the first night approximately 15 days before the arrival date.

Please note that the pre-authorization is only a temporary hold of funds to guarantee the reservation. The total payment for the stay will be made directly at the hotel upon check-in; at the time of payment, the pre-authorized amount will be immediately released.
Salus per Aquam: Private SPA

Our Wellness area is not a public common space, but a premium Salus per Aquam (Health through Water) service for exclusive and private use, available only upon reservation and for a fee. A sanctuary of wellness in the heart of Rome, designed to slow down time and restore your balance.

What you will find in our Private SPA:

Hydromassage Pool (33°C): A stunning 20 sqm oasisbeneath original 4-meter-high brick vaults. Features hydromassage jets, geysers, and a cervical waterfall.

Finnish Sauna (90°C) & Turkish Bath: Dry heat and enveloping steam to detoxify the body and relax the mind.

Emotional Path: Chromotherapy and aromatherapy (mint and passion fruit) with alternating water jets to stimulate the senses.

Ice Fountain: To reactivate circulation and restore energy after heat sessions.

Relaxation Area & Herbal Tea Corner: Comfortable loungers and warm herbal teas in a quiet, refined atmosphere.

Access Policies & Privacy:

Exclusivity: The entire SPA is reserved exclusively for each session. During your booked slot, the area will be closed to other guests, ensuring total privacy.

Reservations: Access is not included in the room rate and must be booked in advance.

Minors: Access is generally restricted to adults. Children under the age of 8 are allowed only if accompanied and under the constant supervision of an adult.

SPA Kit Included: We provide a bathrobe, large towel, cap, and flip-flops. You only need to bring your swimsuit.

Exclusive Packages for In-House Guests:
Silver (1 Hour): €50.00 (up to 2 people) | Extra person: €10.00

Gold (2 Hours): €70.00 (up to 2 people) | Extra person: €20.00

Platinum (3 Hours): €90.00 (up to 2 people) | Extra person: €30.00
(Includes a bottle of Wine or Prosecco served in your private area)

Reservation, Cancellation & Payment Policies

Cancellation, prepayment and payment conditions vary according to the rate selected. Please review the conditions displayed before booking and in your reservation confirmation. Flexible rates are subject to the cancellation deadline stated in the reservation. Non-refundable rates are subject to the conditions stated at the time of booking.

Private SPA Experience & Reservations

Inspired by the concept of Salus per Aquam — well-being through water — our private SPA offers a water-based wellness experience, complemented by a sauna, steam bath and sensory showers. We do not offer massages, beauty treatments or other spa treatments.

The SPA, including its pool, is available exclusively for private sessions by advance reservation and is not a shared hotel facility. During each confirmed session, the entire SPA is reserved exclusively for you and your party.

To arrange your session, please contact the property through Booking.com messaging before arrival.sessions are subject to availability and confirmation by the property.

SPA Access for Children & Teenagers

Children under 8 years of age are not permitted in the SPA. Guests aged 8–17 may access the SPA only when accompanied by their parents, who must remain present throughout the session and are responsible for their supervision and compliance with the SPA safety rules. Minors must never enter or remain in the SPA unaccompanied.
Reservation, Cancellation & Payment Policies

Cancellation, prepayment and payment conditions vary according to the rate selected. Please review the conditions displayed before booking and in your reservation confirmation. Flexible rates are subject to the cancellation deadline stated in the reservation. Non-refundable rates are subject to the conditions stated at the time of booking.

Private SPA Experience & Reservations

Inspired by the concept of Salus per Aquam — well-being through water — our private SPA offers a water-based wellness experience, complemented by a sauna, steam bath and sensory showers. We do not offer massages, beauty treatments or other spa treatments.

The SPA, including its pool, is available exclusively for private sessions by advance reservation and is not a shared hotel facility. During each confirmed session, the entire SPA is reserved exclusively for you and your party.

To arrange your session, please contact the property through Booking.com messaging before arrival.sessions are subject to availability and confirmation by the property.

SPA Access for Children & Teenagers

Children under 8 years of age are not permitted in the SPA. Guests aged 8–17 may access the SPA only when accompanied by their parents, who must remain present throughout the session and are responsible for their supervision and compliance with the SPA safety rules. Minors must never enter or remain in the SPA unaccompanied.

Breakfast

Breakfast is included only in reservations booked with a breakfast-inclusive rate. Guests whose reservation does not include breakfast may purchase buffet breakfast directly at the property for an additional charge.
Breakfast is included only in reservations booked with a breakfast-inclusive rate. Guests whose reservation does not include breakfast may purchase buffet breakfast directly at the property for an additional charge.Al check-in gli ospiti devono esibire un documento didentità con foto e una carta di credito. Siete pregati di notare che le Richieste Speciali sono soggette a disponibilità, e potrebbero comportare laddebito di un supplemento.
Gli ospiti di età inferiore ai 18 anni possono effettuare il check-in solo se accompagnati da un genitore o da un tutore legale.