Hotel in Herceg Novi, Montenegro
One&Only Portonovi
1,375ptsAdriatic Bay Wellness Resort

About One&Only Portonovi
One&Only Portonovi opened in 2021 as the brand's first European property, positioned at the entrance to Boka Bay in Herceg Novi, Montenegro. Across 123 rooms, suites, and villas designed by Jean-Michel Gathy, it anchors a still-forming luxury tier on the Adriatic coast. La Liste ranked it 97.5 points in its 2026 Top Hotels ranking, placing it among the continent's most closely watched new properties.
Where the Adriatic Meets Anticipatory Service
Arriving at One&Only; Portonovi from the water gives you the clearest read on what the property is doing architecturally and strategically. The bay-facing facade sits at the point where the open Adriatic narrows into Boka Bay, a geography that produces calmer, more luminous water than the exposed coastline further south. The mountains close in on three sides, the medieval silhouette of Kotor visible on clear days, and the resort's terraced structure steps down toward the waterfront in a way that keeps the views intact from nearly every angle. Belgian architect Jean-Michel Gathy designed the 123-room property with floor-to-ceiling windows throughout, and the Montenegrin vernacular — stone detailing, centerpiece fireplaces in each suite and villa — gives the interiors more grounding than the typical international luxury resort.
The One&Only; brand operates a relatively small global portfolio, which means each property carries the weight of representing a market. Portonovi was the brand's first European address when it opened in 2021, a deliberate positioning in a coastal corridor that [Regent Porto Montenegro in Tivat](https://www.enprimeurclub.com/hotels/regent-porto-montenegro-tivat-hotel) and [Dukley Hotel & Resort in Budva](https://www.enprimeurclub.com/hotels/dukley-hotel-resort-budva-hotel) had already begun establishing as viable for top-tier international guests. La Liste's 2026 Leading Hotels ranking assigned Portonovi 97.5 points , a score that places it in the upper tier of European resort properties and, more importantly, signals that the Adriatic's luxury moment is no longer speculative.
The Logic of Service at This Scale
One&Only;'s service model is built around a staff-to-guest ratio and a personalisation brief that distinguishes it from larger resort operators. The approach becomes visible in the excursion program, which functions not as a menu of optional extras but as a curated set of experiences with genuine local depth: guided olive grove visits with tastings of regional oil, mountain hikes led by local guides rather than hotel staff in hiking gear, and island-hopping excursions through Boka Bay that move at a pace set by the group rather than a fixed schedule. These are structured around the kind of access that requires advance coordination , in that sense, the quality of the program reflects the planning capacity of the team behind it.
The daily sommelier-led wine tasting in the Providore cellar illustrates the same principle at a smaller scale. Montenegrin vintages are paired with local cheese and charcuterie, and the session is led by the head sommelier rather than a junior staff member , a staffing choice that reflects where the hotel places this activity in the guest experience hierarchy. For readers comparing properties across the region, [Mamula Island by Banyan Tree in Mamula](https://www.enprimeurclub.com/hotels/mamula-island-by-banyan-tree-mamula-hotel) and [Ananti Resort Residences & Beach Club in Reževići](https://www.enprimeurclub.com/hotels/ananti-resort-residences-beach-club-rezevici-hotel) offer strong alternatives, but neither operates quite the same depth of curated daily programming.
Four Restaurants, Different Hours and Registers
The food and beverage program across Portonovi's four outlets is broader than the property's boutique positioning might suggest. Sabia, the Italian restaurant positioned closest to the water, focuses on seasonal produce and local seafood: oysters sourced from the bay, spaghetti with red prawn ragu, and whole fish baked in a sea salt crust. The format is classic rather than experimental , Italian technique applied to Adriatic ingredients, without the fusion pivots that can blur a restaurant's identity.
La Veranda carries a different register. The dining room's gray-and-navy interior opens onto a terrace with direct bay views, and the kitchen shifts between Montenegrin and Mediterranean across the day. Evening service orients toward protein: prime cuts of local lamb alongside Japanese and Australian wagyu, with fresh catch of the day maintaining a pescatarian track. The seasonal pattern is worth noting for planning purposes , lunch service is available in winter, while summer shifts La Veranda to breakfast and dinner only.
Tapasake operates as the poolside outlet with a Japanese-Peruvian fusion menu weighted toward small plates and raw preparations. The format suits the setting , the pool context favors grazing over full-course dining , and the menu extends to tempura and tacos for guests who want something more substantial between swims. Caminetti bar rounds out the program with afternoon tea (including Paris-Brest and mille-feuille) and evening cocktails with light bites. The range across these four spaces gives guests genuine variety without requiring them to leave the property, which matters when the property occupies its own coastal position somewhat removed from Herceg Novi's Old Town restaurant scene. For those who do venture out, [our full Herceg Novi restaurants guide](https://www.enprimeurclub.com/cities/herceg-novi) covers the wider dining picture.
Chenot Espace: A Destination Program, Not a Hotel Spa
The Chenot Espace at Portonovi operates at a scale , 43,000 square feet , and with a methodology that places it in a different category from the standard resort spa. Chenot's approach is built around multi-day programs rather than individual treatments: nutrition assessment, cardiorespiratory fitness protocols, and scientifically framed massage and therapy sequences are designed to work as a linked system rather than standalone bookings. This is the same methodology Chenot operates at its flagship properties in Europe, and its presence here gives Portonovi a wellness credential that functions independently of the hotel's other attributes. Guests who plan a stay specifically around the spa would not be stretching the program's capabilities , it is sized and staffed for exactly that.
For the broader Montenegrin context, this kind of destination wellness infrastructure is rare. Properties like [Aman Sveti Stefan in Sveti Stefan](https://www.enprimeurclub.com/hotels/aman-sveti-stefan-sveti-stefan-hotel) offer strong spa amenities within a different architectural and historical setting, but the Chenot methodology is specific to Portonovi in this market.
Positioning Within the Adriatic Luxury Tier
Montenegro's luxury hotel development has accelerated since the mid-2010s, with international brands identifying the Boka Bay corridor and the Budva Riviera as underdeveloped relative to comparable Mediterranean coastline. The arrival of One&Only; , a brand that maintains a deliberately selective global footprint , at Portonovi signaled institutional confidence in the market's durability. The 97.5 La Liste score in 2026 provides external validation of that bet.
Within the Montenegro peer set, Portonovi competes at the leading of the market alongside Aman Sveti Stefan and [Regent Porto Montenegro in Tivat](https://www.enprimeurclub.com/hotels/regent-porto-montenegro-tivat-hotel). Each occupies a distinct niche: Aman's property at Sveti Stefan is built around a historically significant island setting; Regent Porto Montenegro is anchored to a superyacht marina. Portonovi's proposition is the combination of bayfront position, the Chenot spa's depth, and the One&Only; service model. Guests choosing between these properties are essentially choosing which combination of location, wellness infrastructure, and service architecture matches their priorities. For context on how this property sits within [Portonovi Resort](https://www.enprimeurclub.com/hotels/portonovi-resort-herceg-novi-hotel) as a wider development, the resort complex includes additional accommodation and marina facilities beyond the One&Only; property itself.
Travellers comparing the Montenegro market to comparable European coastal alternatives will find relevant reference points at [Hotel Du Cap-Eden-Roc in Cap d'Antibes](https://www.enprimeurclub.com/hotels/hotel-du-cap-eden-roc-antibes-hotel) or [Hôtel de Paris Monte-Carlo in Monte Carlo](https://www.enprimeurclub.com/hotels/htel-de-paris-monte-carlo-monte-carlo-hotel), though those properties operate in established markets with corresponding pricing and saturation. Montenegro's relative newness to this tier is part of its appeal , and also worth factoring into expectations around surrounding infrastructure.
Planning a Stay
The property holds 123 rooms across a range of categories, from bay-view rooms to suites and standalone villas , all with the floor-to-ceiling windows and fireplace details that Gathy's design established as the throughline. Families with children have access to the KidsOnly club, which runs a dedicated activity program including watersports and structured excursions. The hotel carries a 4.7 rating across 674 Google reviews, which at that volume represents a consistent rather than curated result. Bookings are leading placed directly or through a luxury travel advisor with One&Only; access, particularly for peak summer dates when Boka Bay draws concentrated demand. The property is also pet-friendly, which expands the practical calculus for guests travelling with animals. Nearby alternatives at a different price point and scale include [Boutique Hotel Casa del Mare Mediterraneo](https://www.enprimeurclub.com/hotels/boutique-hotel-casa-del-mare-mediterraneo-herceg-novi-hotel) in Herceg Novi itself.
Frequently Asked Questions
Which room category should I book at One&Only; Portonovi?
The bay-view suites and villas deliver the clearest return on the property's core asset: the Boka Bay outlook through floor-to-ceiling windows. The La Liste 97.5-point ranking and the property's positioning as One&Only;'s first European address (2021) are both calibrated around the resort experience as a whole, which means the villa categories , with their fireplace centerpieces and greater privacy , represent the fullest version of what the property offers. Entry-level rooms share the design language and access to all facilities, but the step-up to a suite or villa changes the spatial experience considerably.
What is One&Only; Portonovi leading at?
Combination of the Chenot Espace wellness program (43,000 square feet, multi-day methodology) and the depth of the curated excursion program sets Portonovi apart within Montenegro and within the broader One&Only; portfolio. The La Liste 97.5 score in 2026 reflects the property's strength across categories, but guests who prioritise wellness infrastructure specifically will find the Chenot offering hard to match at comparable Adriatic properties.
How hard is it to get a reservation at One&Only; Portonovi?
Peak summer availability in Boka Bay tightens across the entire luxury tier, and Portonovi's 123 rooms , combined with its position as the only One&Only; in Europe at opening , mean that high-season dates book out well in advance. Booking directly through the One&Only; reservations system or through an accredited luxury travel advisor is the most reliable route. Shoulder season (May to June, September to October) offers better availability alongside more moderate weather for activities like hiking and sailing excursions.
Is the Chenot Espace spa at One&Only; Portonovi suitable for a standalone wellness retreat?
The Chenot Espace is specifically designed for multi-day program stays, covering nutrition guidance, cardiorespiratory assessment, and sequenced therapies , making it one of the few hotel spa facilities in the region that functions as a genuine wellness destination rather than an amenity. At 43,000 square feet, the facility has the physical capacity to support extended stays without the bottlenecks common at smaller resort spas. Guests planning a stay primarily around the spa should contact the property in advance to pre-book program slots, particularly during the summer season when general hotel demand is highest.
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