This is a real copy of Miami – Bay Harbor Islands.
Made in Blender 2.8, uses Cycles renderer.
Polygons 353604, Verticles 179050.
Here uses low-poly models of cars, boats, trees, buildings, clouds.
Terrain is textured simple three colors: water, grass, sand.
Buildings has two materials: roofs and walls. So you can easily select one of them and texture it as you want.