Prompt: Create a vivid and serene image of a coastal hotel room with a breathtaking ocean view. The scene should capture the tranquility of the water, and prominently feature a submarine peacefully floating in the distance. Emphasize the interplay of natural light on the waves, and ensure the composition conveys a sense of relaxation and wonder. Consider incorporating details like the hotel room interior, curtains swaying in the gentle breeze, and any reflections in the glass to enhance the overall ambiance.