Side-by-side
Four Seasons Bosphorus vs The Thief
Four Seasons Bosphorus and The Thief, side by side — the detail is below.
Can't split them? Tell us the trip and we'll say which one we'd book — then book it at the same rate as direct, our perks attached.
Four Seasons
Fat ApprovedFour Seasons Bosphorus
A Four Seasons hotel set directly on Istanbul's Bosphorus waterway, with rooms and a restaurant overlooking the strait.
Independent
The Thief
A waterfront hotel on Oslo's Tjuvholmen peninsula, with fjord-view rooms, a spa, and a rooftop bar.
Strengths & trade-offs
Four Seasons Bosphorus
Strengths
- Original 19th-century palace rooms with soaring ceilings and Bosphorus views
- Waterfront setting called out as among the best in the city
- Hammam and spa treatments singled out by name even mid-renovation
- Breakfast spread and fresh fish at Yali and Aqua draw repeat praise
- Staff like Mehmet and the bell/valet team create memorable personal moments
Trade-offs
- Pet policy and table-seating disputes point to inconsistent front-of-house handling under pressure
- Poolside and terrace smoking bothers multiple guests with no enforced non-smoking area
- Palace rooms lack balconies and can run dark depending on the room
- Breakfast buffet layout and service pace draw complaints despite strong food quality
The Thief
Strengths
- Unrivalled Tjuvholmen waterfront location with fjord and sailboat views
- Breakfast widely considered the best in Oslo — à la carte and buffet both included
- Art-gallery interiors with an original contemporary art collection throughout
- Rooftop bar with inventive cocktails and vinyl records you can actually play
- Spa pool, sauna, and steam room delivering genuine relaxation in a design setting
Trade-offs
- Service quality inconsistent — exceptional highs undermined by operational lapses
- Rooms facing the alley toward the art museum suffer significant noise at night
- Spa pool access carries an additional fee despite premium room rates
- Standard rooms feel small and some showing wear relative to price
Scoreboard
| Dimension | Four Seasons Bosphorus/ 20 | The Thief/ 20 |
|---|---|---|
| Tier | Fat Approved | — |
| Overall Fat Score | 16.5 | Score pending |
| Service | 15.5 Named staff like Mehmet and Ebru Ayas draw real warmth, but a seating dispute, a pet-policy blowup, and a lied-to bar guest show it slips under pressure. | — Staff like Isabella and Sylvester get remembered by name for genuine care, but front-desk waits, a broken door lock, and dirty sheets show up too. |
| Design | 18 Original palace rooms with soaring ceilings impress, though several guests call the rooms themselves dated next to the setting. | — Rooms feel like a small art gallery with clever mirror placement for the fjord views, though some standard rooms run small and underlit. |
| Location | 19 Right on the Bosphorus with water views from most rooms and terraces, repeatedly called the best-situated hotel guests have stayed at in the city. | — Tjuvholmen puts you on the water with restaurants and the art museum on foot, quieter than staying on the barcode side of town. |
| Dining | 16 Aqua and Yali get praised for the fish and the terrace, but breakfast logistics, smokers by the pool, and inconsistent kitchen quality outside peak service pull it down. | — Breakfast gets called the best in Oslo by repeat guests, though a few found the eggs raw and the à la carte menu thin during layovers. |
| Wellness | 16.5 | — The pool and steam room win over even overnight layover guests, but the spa itself is small and the pool fee irritates people already paying premium rates. |
Where they differ
Only Four Seasons Bosphorus
Only The Thief
Where they sit
Istanbul, Turkey
Oslo, Norway
The Verdicts
Four Seasons Bosphorus
You're paying for one thing above all here: a room with a view of the Bosphorus that very few hotels on earth can match, inside a building with genuine palace bones. Guests describe 20-foot ceilings in the original palace rooms, roof suites that make the extra spend worth it, and a breakfast spread that regulars call one of the best they've had anywhere. The water-facing rooms are the reason to book this specific property over its Istanbul siblings, and the spa's hammam gets called out by name even when the indoor pool has been closed for maintenance.
Where it wobbles is consistency, and it's worth pricing in honestly. One family was blindsided by a new pet policy sprung on them at check-in after booking with dogs specifically cleared in advance; a business breakfast group got told mid-meal to vacate a table they'd already ordered at. Pool-side smoking bothers multiple guests enough to mention it unprompted, and the palace rooms, while grand, lack balconies and can run dark depending on which wing you land in. The service is genuinely warm from most staff but a few reviews describe a sharper, more corporate edge from specific managers when something goes wrong, which is the flip side of a hotel this large and this popular with weddings, anniversaries and business travelers.
Book it for a first Bosphorus stay, for the roof suites if you can get one, and for a honeymoon where the hammam and the sea-view terrace do a lot of the work. Skip it if you're chasing flawless execution over atmosphere. The setting and the food at Yali and Aqua are worth the price on their own, even when a smoker two tables over or a testy front-desk moment reminds you it's still a very busy hotel, not a private retreat.
The Thief
The Thief sells you a peninsula, and it delivers one. Perched on the tip of Tjuvholmen, with sailboats passing the balcony and the Astrup Fearnley museum next door, it's the best waterfront position in Oslo, and reviewers rarely disagree. The bigger draw for repeat guests is breakfast: buffet and à la carte both included, and travellers who say they've stayed at every hotel in the city keep calling it the best morning meal in Oslo. The rooms themselves are art-gallery pieces — original contemporary work throughout, clever mirror placement to pull in the fjord view, a rooftop bar with vinyl you can actually play on the turntable.
Staff are the wild card. One June 2026 guest got a broken door lock patched with duct tape and a downgrade with no apology; that same month, turndown tried to enter a room with the Do Not Disturb sign up, security bolt and all. Set against that: Isabella upgrading a tired arrival to a higher floor, Sylvester holding the same cozy breakfast table morning after morning and warming the milk for tea without being asked, Juliane talking a fully-booked restaurant into a last-minute table. Both are true of the same hotel, sometimes the same season. Book a fjord-facing room, not one toward the alley — the museum-side rooms take truck and foot traffic most of the night, by multiple accounts, and standard rooms run small with some visible wear. The spa is genuinely relaxing but charges extra on top of already steep rates, which stings more than it should.
Worth it for the location and the breakfast alone, provided you get the room orientation right. Travellers chasing flawless, evenly-run service tend to land at Sommerro instead, though it doesn't have this waterfront. For the fjord views and the eggs, nothing else in Oslo is close.
Still torn between Four Seasons Bosphorus and The Thief?
We're Sofie and Nicolas, the two of us behind Fat Voyage — and we've stayed in hotels like these ourselves. Tell us what the trip is and we'll tell you which one we'd book, and why. We're not a booking service, but a few times a year we plan one properly for someone; if that's what you're after, say so.
You'll be dealing with the two of us the whole way through, which is why we only take on a handful of trips at a time — if we're full, we'll say so. We reply by email, usually within one working day. The hotel pays us, not you: your rate is the same as booking direct, and the perks come on top.
Common questions
Which should I book — Four Seasons Bosphorus or The Thief?
Four Seasons Bosphorus and The Thief, side by side — the detail is below.
What's the difference between Four Seasons Bosphorus and The Thief?
Both are Urban, Wellness, Romantic and Culinary. Four Seasons Bosphorus adds Heritage and Architecture; The Thief adds Design and Scandinavian.
Which is better for location, Four Seasons Bosphorus or The Thief?
They land level here. Four Seasons Bosphorus: Right on the Bosphorus with water views from most rooms and terraces, repeatedly called the best-situated hotel guests have stayed at in the city. The Thief: Tjuvholmen puts you on the water with restaurants and the art museum on foot, quieter than staying on the barcode side of town.
Which is better for design, Four Seasons Bosphorus or The Thief?
They land level here. Four Seasons Bosphorus: Original palace rooms with soaring ceilings impress, though several guests call the rooms themselves dated next to the setting. The Thief: Rooms feel like a small art gallery with clever mirror placement for the fjord views, though some standard rooms run small and underlit.
Where are Four Seasons Bosphorus and The Thief?
Four Seasons Bosphorus is in Istanbul, Turkey; The Thief is in Oslo, Norway.
How does Fat Voyage compare Four Seasons Bosphorus and The Thief?
Fat Voyage scores every hotel out of 20 across five dimensions — service, design, location, dining and wellness — from independent signals: the most active luxury travel communities, major editorial publications, and verified guest reviews, weighted by source credibility, depth and recency. Nothing is paid for, and no hotel can buy a place.