Spectrum Lounge & Bar occupies levels 29 and 30 of Hyatt Regency Bangkok Sukhumvit, a short walk from BTS Nana. The lower lounge combines dinner, drinks and live music in a polished indoor-outdoor setting. The upper rooftop adds a livelier bar, skyline views and a nightly DJ, so choosing a floor is part of planning the evening.
Both levels open daily from 5:30pm to 1am, but kitchen and entertainment times differ. Book the lower level if a full meal and conversation matter most. Choose the upper terrace for cocktails, bar bites and a stronger late-night mood, then keep weather and the smart-casual dress code in mind.
Level 29
Level 29 shifts from a residential-style event space by day to a dinner and live-music lounge at night. Food orders close at 11pm, while alcoholic beverages are listed until 1am. The room suits couples, small groups and guests who want a table rather than constant movement.
A live band is listed early from 6pm to 8pm, and a separate nightly performance schedule runs from 8pm to 10pm. Entertainment can change, so request the current timing when reserving. A seat near the music feels animated; one farther away is easier for conversation.
Level 30
Level 30 is the rooftop bar, with classic and creative cocktails, bar snacks and open-air views. Bar-bite orders close at midnight and drinks continue until 1am. The DJ schedule is listed nightly from 8:30pm to midnight.
Wind and rain affect the terrace more than the lounge below. Staff may move or limit outdoor seating during bad weather. If the skyline is the priority, reserve for sunset and arrive on time; if dancing and energy matter more, visit after the DJ begins.
Food and drinks
The lower floor serves premium Western dishes, while the upper level is better for bites. Current programming also includes a rooftop grill buffet on Thursday, Friday and Saturday evenings from 6pm to 9pm, with pricing starting at THB 1,199++ per person.
Golden Hour runs daily from 5:30pm to 7pm as a 90-minute free-flow offer for selected wine and beer. Confirm the current price, start time and inclusions before ordering. The double-plus symbol means service charge and tax will be added.
Dress code
Spectrum requires smart-casual clothing. The listed prohibitions include sandals, flip-flops, open-toe shoes, sleeveless or vest-style shirts, sportswear and team jerseys. Closed shoes and a neat evening outfit are the safest choice for everyone in the group.
Bangkok rooftop bars can feel relaxed in photographs while still enforcing entry standards at the lift. Do not leave the decision to the door team. If someone is travelling in daytime clothes, build in time to change before the reservation.
Booking strategy
Call +66 2 098 1234 and specify Spectrum, the level, indoor or outdoor preference, group size and whether you plan to dine. Ask about minimum spend for special tables, cancellation terms and birthday arrangements before agreeing to anything.
Sunset tables and weekend nights fill first. A reservation helps but does not guarantee a particular view when weather intervenes. Arrive together when possible, and tell the host if a guest will be late so the table is not released.
Getting home
The hotel is at 1 Sukhumvit Soi 13 beside BTS Nana, with MRT Sukhumvit also within the broader Asok area. Rail works for an early departure; after closing, use the hotel entrance for a licensed taxi or correctly matched ride-hailing car.
Anyone drinking should not drive or ride a motorbike. Agree on the return plan before the first round, keep phones charged and do not let an impaired friend travel alone. Hotel staff can help with a vehicle if an app connection is poor.
Best fit
Spectrum works well when a group wants several moods without changing buildings. Begin with sunset drinks, move to dinner and the band, then finish upstairs with the DJ. That progression is smoother than expecting one table to deliver every part of the night.
For a quiet romantic meal, choose an earlier lower-level slot and avoid the closest stage tables. For a celebration, ask about group menus and seating together. For a short visit, one well-timed drink around sunset may be more memorable than trying to stay through every programme.
Keep exploring
Continue with related TFT coverage, browse more Thailand guides and compare the latest TFT recommendations.
Common questions
What floors is Spectrum on?
The lounge and dinner setting are on level 29, while the rooftop bar is on level 30.
What are the opening hours?
Both levels are listed as open daily from 5:30pm to 1am, with earlier kitchen cut-offs.
What should I wear?
Smart-casual dress is required, with no sandals, open-toe shoes, sleeveless shirts, sportswear or team jerseys.