render a stunning futuristic coastal city with a serene atmosphere the buildings should have sleek modern designs with glass and metallic finishes reflecting the shimmering sunlight the sky is a clear soft blue gradient creating a tranquil environment the ocean is a deep blue with gentle reflections of the buildings and clear skies incorporate lush greenery and small parks between the buildings using rich green tones sailboats and yachts dot the horizon adding a touch of elegance to the scene the overall ambiance is peaceful and advanced emphasizing harmony between nature and technology
