Side Note Club sits on the 15th floor of the RYSE, Autograph Collection hotel in Hongdae, the student and music quarter on the western side of Seoul. The bar pairs an indoor lounge with an open terrace, and both look out over the low rooftops of Seogyo-dong. Marriott lists it among the hotel's signature venues, and travel guides from Tripadvisor to VisitKorea point to it as one of the area's rooftop draws.
The design takes its cue from Brooklyn nightlife rather than hotel convention. Low seating, warm lamps, and a long counter fill the indoor room, while the terrace runs along the building edge for guests who want the night air.
Hongdae shapes the crowd. The district runs on live music, indie galleries, and a young after-dark trade, so the room skews social and loud rather than hushed.
The cocktail list leans contemporary, with house builds alongside the classics a hotel bar is expected to pour. Prices land in the upper range common to Seoul hotel rooftops, which buys the view as much as the drink.
The terrace is the reason to climb. From 15 floors up the sightline reaches across Mapo-gu toward the river, and the open deck fills first on warm evenings.
RYSE itself is part of the appeal. The hotel courts a creative crowd through its design partnerships and ground-floor cafe culture, and Side Note Club is the rooftop expression of that brief.
Timing rewards an early arrival. The terrace seats turn over slowly once the sun drops, so guests who want the rail come before eight on a Friday or Saturday.
The indoor lounge holds its own in cold months. When the terrace closes to the weather, the Brooklyn-styled room keeps the same counter service and the same view through glass.
Seogyo-dong feeds the night beyond the hotel. The streets below carry clubs, late kitchens, and busking corners, so Side Note Club works as a first stop or a high perch between other rounds.
The bar suits travellers based around Hongik University station and locals after a view without a Gangnam price ceiling. It opens in the late afternoon and runs past midnight, later on weekends.
Order from the seasonal cocktails rather than the wine list, which is the weaker half of the menu. The signatures change through the year and track what the bar team is mixing that season.
For a different Seoul rooftop mood, compare the hotel calm here with Mauz Rooftop in Seoul and The Griffin Rooftop in Seoul. Then read the guide to the best rooftop bars in Seoul and browse more across Seoul.
Sources: Marriott Bonvoy and the official RYSE hotel pages for Side Note Club; The Rooftop Guide and VisitKorea profiles; Tripadvisor and Foursquare listings.