Futuristic watchtower, sleek metal structure, angular lines, reflective glass surfaces, modern minimalist design, waterfront location, ocean views, sandy beach, rocky shoreline, sunny day, clear blue sky, seagulls flying, sailboats sailing, luxurious amenities, rooftop pool, outdoor lounge areas, floor-to-ceiling windows, panoramic views, shallow depth of field, 3/4 composition, realistic textures, ambient occlusion.