Debonair sits on the roof of the Cité de la Mode et du Design at 36 Quai d'Austerlitz, an open-air terrace above the Seine in the 13th arrondissement. The space runs as a café and bar by day and a club after dark, on the same rooftop that older Parisians knew as the Nüba.
Who would love it: anyone after an open-air terrace with a river view and a DJ. Who would hate it: drinkers after a quiet seat, since the room turns toward a club as the night runs on.
The terrace tops the green steel frame of the Cité de la Mode et du Design, the converted dock building on the Left Bank quay. Sortiraparis traces the lineage from the Nüba through Communion to the current Debonair, and the draw across all three has been the same: a large open-air rooftop over the Seine. Two dance floors and a DJ cabin anchor the later hours.
The rooftop is the draw and the scale is the point: the terrace runs across the roof of the converted dock building, open to the sky and the river on the Left Bank quay. Loungers, four-poster daybeds, and food stalls fill the edges, while the two dance floors and the DJ cabin anchor the centre once the music starts. The view down the Seine toward the Pont Charles-de-Gaulle is the reason to arrive before sunset.
The programme swings from relaxed daytime sessions to full club nights, and Sortiraparis and Fever both track the venue's calendar of parties under the Debonair name. The drinks run to spritzes, cocktails, and wine rather than a precision list, which fits a rooftop built for volume and movement. Entry is often free in the early hours and shifts to a door policy as the night builds, so the afternoon is the unhurried window.
Order a cocktail or a spritz on the terrace in the late afternoon, before the music builds and the crowd thickens. The drinks list runs to the standard rooftop range rather than a cocktail-den menu, so the move is the view and the air rather than precision mixing. Wine and beer fill the gaps for a longer sit.
What regulars flag, across Google and event listings, is the size and the view, with the club-night crowd noted as the trade. Reviewers describe a relaxed terrace early and a busy floor late, so the experience swings with the hour. The same notes mention queues on warm weekend nights, so an early arrival is the move for a seat.
Best time to go is the late afternoon for a terrace cocktail and the Seine view, or a weekend night for the DJ programme. The rooftop runs seasonally and leans on warm weather, so summer is the window. Weekend nights run latest, toward 6am.
Who it is for: rooftop drinkers after an open-air terrace, groups who want a river view with a DJ, and anyone chasing a large summer floor. Who it is not for: a quiet nightcap crowd, since the room is built to fill.
Debonair pairs with a walk along the Quai d'Austerlitz and the river barges nearby, an easy approach on a 13th-arrondissement night. It works as the open-air anchor before or after the floating bars below, a short walk from Gare d'Austerlitz and Quai de la Gare stations. Street parking is impractical on the quay, so the metro is the easier arrival.
It earns its place in the city's rooftop club conversation. See where it lands in our guide to the best rooftop bars in Paris, browse the full Paris bar guide, and compare it across the wider best rooftop bars worldwide.


