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Octave Rooftop Lounge & Bar

Restaurants
 Bangkok, 10110

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Call: +66 2 797 0000
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About

Octave Rooftop Lounge & Bar sits at the top of Bangkok Marriott Hotel Sukhumvit, spread over several floors with a 360-degree view of the Bangkok skyline. Its venues are stacked: the restaurant floor is on the 45th, and the lounge and bar take the 48th and 49th, so a sunset drink can turn into dinner without leaving the building.

It suits couples and small groups who want a sunset view over Sukhumvit, hotel guests, and anyone spending the evening around Thong Lo, which Marriott describes as the neighborhood around the bar. The hotel is at 2 Sukhumvit Soi 57, and unlike many walk-in rooftops, Octave takes bookings through its own online reservation page or by phone.

Drinks and dining

Marriott lists the cuisine as international and describes the offer as crafted drinks and elevated dining. The bar publishes separate menus for the restaurant floor and for the lounge and bar floors on its booking page, so it is worth deciding in advance whether you want a table for dinner or a spot for drinks higher up.

Planning the evening

Octave opens in the late afternoon and stays open into the small hours every day, which makes it as much a late-night option as a sunset one. Smart casual dress is expected. Because the bar takes reservations and runs a waitlist, booking ahead is the way to secure a table for sunset rather than hoping for one on arrival.

At Bangkok Marriott Hotel Sukhumvit

ATTIC by Octave, on the 47th floor, is the hotel's speakeasy-meets-rooftop bar, which Marriott calls Bangkok's highest hidden bar, with Mexican-inspired drinks and bites and weekly social events. The District Grill Room & Bar is the hotel steakhouse for steaks and seafood, and 57th Street serves breakfast, lunch and dinner with a menu inspired by traditional Thai recipes. Azure Pool Lounge & Bar serves drinks, salads and pizzas by the rooftop pool, Chocolate Cake Company (CCCo.) is the hotel's cake and pastry shop, and the Lobby Lounge covers light bites.

Sources: Bangkok Marriott Hotel Sukhumvit dining, Octave reservations and menus, TAT alcohol rules. Checked September 26, 2026.

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Contact Information

Company Name
Octave Rooftop Lounge & Bar
Phone Number
See Phone Number
Call: +66 2 797 0000
Location
2 Sukhumvit Soi 57
Bangkok, 10110
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About Octave Rooftop Lounge & Bar

Octave Rooftop Lounge & Bar sits at the top of Bangkok Marriott Hotel Sukhumvit, spread over several floors with a 360-degree view of the Bangkok skyline. Its venues are stacked: the restaurant floor is on the 45th, and the lounge and bar take the 48th and 49th, so a sunset drink can turn into dinner without leaving the building.

It suits couples and small groups who want a sunset view over Sukhumvit, hotel guests, and anyone spending the evening around Thong Lo, which Marriott describes as the neighborhood around the bar. The hotel is at 2 Sukhumvit Soi 57, and unlike many walk-in rooftops, Octave takes bookings through its own online reservation page or by phone.

Drinks and dining

Marriott lists the cuisine as international and describes the offer as crafted drinks and elevated dining. The bar publishes separate menus for the restaurant floor and for the lounge and bar floors on its booking page, so it is worth deciding in advance whether you want a table for dinner or a spot for drinks higher up.

Planning the evening

Octave opens in the late afternoon and stays open into the small hours every day, which makes it as much a late-night option as a sunset one. Smart casual dress is expected. Because the bar takes reservations and runs a waitlist, booking ahead is the way to secure a table for sunset rather than hoping for one on arrival.

At Bangkok Marriott Hotel Sukhumvit

ATTIC by Octave, on the 47th floor, is the hotel's speakeasy-meets-rooftop bar, which Marriott calls Bangkok's highest hidden bar, with Mexican-inspired drinks and bites and weekly social events. The District Grill Room & Bar is the hotel steakhouse for steaks and seafood, and 57th Street serves breakfast, lunch and dinner with a menu inspired by traditional Thai recipes. Azure Pool Lounge & Bar serves drinks, salads and pizzas by the rooftop pool, Chocolate Cake Company (CCCo.) is the hotel's cake and pastry shop, and the Lobby Lounge covers light bites.

Sources: Bangkok Marriott Hotel Sukhumvit dining, Octave reservations and menus, TAT alcohol rules. Checked September 26, 2026.

Bars Rooftop Bars Nightlife Sukhumvit Thong Lo Watthana bars
Phone: +66 2 797 0000

Frequently Asked Questions

Q. Where is Octave Rooftop Lounge & Bar?+
At the top of Bangkok Marriott Hotel Sukhumvit, 2 Sukhumvit Soi 57, Khlong Tan Nuea, Watthana, Bangkok 10110. The restaurant is on the 45th floor and the lounge and bar on the 48th and 49th floors.
Q. What are the opening hours?+
Every day from 5 p.m. to 2 a.m., according to the hotel.
Q. Can I book a table?+
Yes. Octave takes reservations through its online booking page or by phone at +66 2 797 0000. The booking page also offers a waitlist.
Q. Is there a dress code?+
Yes. The hotel lists the dress code as smart casual.
Q. Is there food?+
Yes. The hotel lists Octave's cuisine as international, and separate menus cover the 45th-floor restaurant and the 48th- and 49th-floor lounge and bar.
Q. What is ATTIC by Octave?+
A separate bar on the 47th floor of the same hotel, mixing a speakeasy with a rooftop bar, with Mexican-inspired drinks and bites. It can also be booked by phone at +66 2 797 0000.
Q. What are Thailand's drinking rules?+
The legal drinking age in Thailand is 20, and venues may ask for identification. Since 29 May 2026 alcohol can generally be sold from 11 a.m. to midnight, although hotels and licensed entertainment venues may follow different hours under their licenses. Sales can also be suspended on election days and major Buddhist holidays, so check before planning a night out on those dates.

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