Visual Description:

Imagine a slightly dimmed, blue-tinted environment, as if light is filtering through water. The main structure is a modified 6m shipping container, submerged in a clear, blue body of water.

Exterior:

The container's exterior is smooth and painted in a dark, marine-grade color (perhaps a deep navy or charcoal grey) to blend with the underwater environment.
Large, rectangular acrylic window for the living room and large round windows are strategically placed along the longer side of the container, offering a captivating view of the surrounding water.
Subtle, warm-toned underwater lighting fixtures are positioned around the container's exterior, illuminating the immediate area and creating a gentle glow. You can see small schools of fish and bubbles gently floating past the windows.

Interior:

Entrance: At one end of the container, a set of sleek, modern stairs descends from an unseen surface structure. The stairs are made of a light, durable material (perhaps stainless steel or a composite) and feature integrated LED lighting for safety and ambiance. Bar Counter: On the right side, a long, slim bar counter stretches along the length of the container. It's crafted from a polished, dark wood or a high-gloss, waterproof material. The counter features a small, integrated sink, a tap with a modern design, and a compact under-counter refrigerator. Bottles and glasses are neatly arranged on a back-lit shelf behind the counter. Seating Area: Opposite the bar counter, a built-in banquette runs along the wall. The banquette is upholstered in a soft, plush material with a subtle texture and a calming blue-green hue. Underneath the seating, hidden storage compartments are cleverly integrated. Two small, round ottomans, upholstered in a similar fabric, are placed in front of the banquette, offering flexible seating options. Lighting: The interior lighting is soft and diffused, mimicking the way light filters through water. Recessed LED lights are integrated into the ceiling, and warm, ambient light emanates from the back-lit shelves behind the bar. Underwater Views: The large acrylic windows offer a mesmerizing view of the underwater world. You can see schools of fish swimming by, gentle currents, and perhaps even some coral or aquatic plants in the distance. The water is clear and blue, creating a sense of tranquility and immersion.

Atmosphere: The overall atmosphere is cozy, intimate, and relaxing. The combination of soft lighting, comfortable seating, and the captivating underwater views creates a unique and memorable experience. Key Features:

Space Optimization: The layout is designed to maximize the use of the 12 sqm space, with multi-functional furniture and clever storage solutions.The room can be an additional studio, bar or living room.

Underwater Integration: The large windows and strategic lighting create a strong connection to the surrounding underwater environment. Comfort and Ambiance: The soft lighting, comfortable seating, and calming color palette create a relaxing and inviting atmosphere. These picture-realistic description aims to capture the essence of your envisioned underwater bar/living room, blending functionality, aesthetics, and the unique challenges and opportunities of an underwater setting.