Sleek seaside lodgings
Sunlight washes through towering lobby glass toward the Marmara Sea, establishing a tranquil coastal rhythm removed from central Istanbul's rush.
“Hardwood floors, textile-inspired headboards and mosaic-tiled bathrooms add a unique touch of texture to the 204 guest rooms and suites.”
Where it shines
Notable
KCA International's soaring Sky-Frame entryway and travertine textures blend contemporary lines with coastal Bosphorus blues.
Notable
Private sea-facing balconies, mosaic marble bathrooms, and dedicated executive lounge service complement comfortable residential suites.
Notable
A traditional marble Turkish hammam, Swiss skincare therapies, and an indoor pool with a retractable glass roof.
What they say
Michelin Selected
Michelin
Forbes Four-Star
Forbes Travel Guide
2026
In the lobby, a chandelier referencing Turkish flying carpet mythology hangs above walls of glass trained on the Marmara Sea.
Somewhere quiet
Away from the crowds. Getting around takes intention.
Set along the quiet Ataköy waterfront, the promenade offers seaside walks and calm coastal breezes away from the crowded historic core.
The rooms
Sleek residential rooms feature hardwood flooring, deep soaking tubs, and private glass balconies gazing out across the shimmering Marmara coastline.
The pools
Bring a swimsuit.
A seasonal outdoor infinity pool skirts the waterfront, and an indoor lap pool sits beneath a retractable glass skylight.
The spa and gym
Treatment suites at La Vallée Spa hold sunken plunge pools for Swiss therapies, set beside a 24-hour fitness room.
Restaurant
Akira Back Istanbul
Chef Akira Back serves Japanese-Korean fusion across a sleek dining room, private mural-lined salon, and an open-air terrace.
At the table
Ceres serves Mediterranean and Middle Eastern seafood, and the open-air Sail bar mixes drinks along the waterfront deck.
Good to know
Stay here
JW Marriott Hotel Istanbul Marmara Sea
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Our shorthand
How we rate hotels.
The medals
Gold
Extremely rare. Sets the global standard.
Silver
Brilliant execution. And we’re picky.
Bronze
They did this well. You’ll notice.
Listed
A defining trait. Makes the hotel what it is.
The eight vibes
Design
Built around a vision. Even the door handles have a designer.
Luxe
Cared for at every turn. The bath is drawn before you ask.
Local
It could only be here. You wake up knowing where you are.
Social
Where the city goes out. The bar is full and the night is young.
Heritage
A building with a story. Once a palace, a monastery, a station.
Wellness
You leave feeling new. Rest, sweat, soak and sleep like a stone.
Classic
The city grew up with it. Same rituals, same regulars, same bar.
Resort
A world of its own. Something to do from breakfast to nightcap.
The scene
Lively
Where things happen: restaurants, shops, people.
Central
Well-located: walkable to some things, a short ride to more.
Quiet
Away from the crowds. Getting around takes intention.
Secluded
A place apart: the property is the destination.