Adaptive Reuse: Queensline Floating Restaurant
Adaptive reuse is about finding new life in existing structures. Here is how we turned a river cruise boat into one of Mumbai's most iconic floating venues.
The open-air bar on the upper deck of the Queensline Sea Yah, illuminated at dusk. The design provides an unmatched dining experience with the Mumbai city lights as a backdrop, showcasing a key feature of this unique hospitality architecture project.
The main dining area, showing the interplay between the custom wooden ceiling, brass-accented bar, and comfortable seating. The layout is designed to maximize views while creating an intimate and sophisticated atmosphere for guests.
The restaurant's interior bar and lounge area at night. The warm lighting highlights the texture of the wood-paneled walls and the intricate details of the brass bar stools, creating an inviting ambiance for evening dining.
A wider perspective of the upper deck at night. The combination of the sculptural bar, ambient string lights, and the expansive wooden deck creates a perfect setting for events and luxury dining on the water.
A frontal view of the custom-designed bar on the Queensline Sea Yah. The design features a translucent, illuminated base and a distinctive skeletal canopy, making it a functional sculpture and a focal point of the deck.
Seating alcoves on the deck offering a direct, uninterrupted view of the Mumbai skyline. The design prioritizes the connection to the surrounding sea and cityscape, making it an integral part of the guest experience.
An earlier floating restaurant project I designed in Goa. This demonstrates my experience in marine architecture and creating functional, beautiful spaces on the water, balancing aesthetic goals with technical maritime requirements.
An exploded axonometric drawing of the Queensline Sea Yah. This technical illustration deconstructs the boat's four levels, revealing the spatial arrangement of the banquet halls, open-air bar, VIP lounge, and structural elements.
A 3D architectural render showing an aerial perspective of the floating restaurant. This visualization was a key tool in the design phase to communicate the overall massing and layout of the multi-level decks.
The detailed floor plan of the main dining level. This top-down view illustrates the flow between the two 75-seat restaurant spaces, the central bar, and various seating configurations, showcasing the meticulous space planning involved.
About Adaptive Reuse: The 'Queensline' Floating Restaurant
One of the primary challenges with the Queensline project was the constrained height of the original Istanbul river cruise boat. To resolve this, we designed a rhythmic teak wood structural system that spans the main deck. This geometric intervention blurs the distinction between wall and ceiling, visually extending the space while framing the sea views.
Transforming a vessel built for river cruising into a high-end restaurant required a deep understanding of both marine engineering and interior architecture. When we acquired the boat in Istanbul, our goal was not to hide its origins but to reinterpret them for the Mumbai context.
We began by analyzing the existing steel shell to understand its structural limitations. A key design decision was to introduce a diagrid structural system that runs throughout the main dining level. This system supports the roof while allowing us to integrate lighting and ventilation services out of sight. By replacing standard partitions with these teak wood ribs, we created a sense of volume that was previously absent.
The material palette was selected to honour maritime traditions while feeling appropriate for a luxury setting. We used brass accents and local Indian teak to bring warmth to the interiors, balancing the industrial nature of the ship with a refined, tactile quality. Because the restaurant is anchored off the coast, we had to coordinate with specialized marine contractors to ensure all structural modifications met strict safety and stability standards. The final design focuses on keeping the interiors low-key, ensuring the primary attraction remains the panoramic view of the Mumbai skyline.
SDM Architects
We are SDM Architects, based in Bandra, Mumbai. We approach every brief as a puzzle, whether it is reimagining public transport hubs or breathing new life into old vessels like the Queensline. We believe design should be the result of a rigorous, collaborative process that prioritizes function as much as it does form.
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