Detail this asset from Unity Store: Original Link
This is a paid asset, but now you can download 2D Isometric Tile Starter Pack Free.
2D Isometric Tile Starter Pack v1.2
2D Isometric Tile Starter Pack
This set consists of 219 tiles.
With this 2D package, you have all you need to start building isometric worlds for your games.
Update 1.2 brings over 140 new Tiles such as shores, more transition tiles, a new stone wall, wood variations, a water block and much more.
Update 1.1 there are now lava tiles, various brick tiles, snow tiles, crack overlays and more.
The tiles come in high resolution and can be sized down to a lower res while remaining a high amount of details.
Check out our publisher page for more packages such as the 2D Hexagonal Tile Pack – Starter Edition and much more to come!