coastal city 3d model

Create a complete 3D game-ready island city map for a mobile open-world action game. Size 500x500 meters. Compact downtown in the center with 15-20 modern buildings (5-12 floors). Residential district on the east side with houses, apartments, parking lots and small shops. Large central park with fountain and paths. Sandy beach with promenade and small pier on the east coast. Ring road around the city connected to a simple grid road network. Include one police station, one hospital and one gas station. Rocky coastline and small cliffs on the west side. No airport, no harbor, no industrial zone, no forest, no farmland. Realistic modern coastal city, GTA-inspired layout, low-poly, optimized for mobile, clean topology, modular assets, separate roads and buildings, Blender-ready.