Visualize a futuristic coastal city with sleek, modern buildings floating on the surface of a vast ocean. The architecture blends seamlessly with the water, utilizing sustainable materials and advanced engineering to address rising sea levels and water scarcity. Floating green spaces and recreational areas create a harmonious balance between nature and innovation, with solar panels and water filtration systems integrated into the design. Residents enjoy luxurious, eco-friendly living quarters, with glass-paneled walls providing panoramic views of the ocean. The scene is a utopian blend of urban life and environmental consciousness.