From Play Rust Wiki
There is currently no officially released map for Rust; however community made maps are available.
A wide variety is available below, each specializing in a certain area.
|rustmap.net||Zoom in and out, Coordinate locator, private and public markers/lines/shapes which you can save and edit live, multiple maps and layers.|
|rustmapmarks.com||Interactive map tool, mark locations, draw areas, leave notes, place labels, share your map, position locator, multiple maps, ingame map overlay tool.|
|RustNuts.com||AUTOMATIC MAP TRACKING! Sign into any server running the RustNuts.com developed AutoLocation mod and go to Rustnuts.com to see where you are in real time!|
|Ironside Rust Server||Interactive 2nd Screen Map that links to a in game plugin, players can login to the site with their Steam ID and see their real-time location.|
|K3X HighResMap||High Resolution Map. Some Errors because of image-stitching, positions are not perfect. Plan is to Create a Map like rustmap.net but in HD, with radiationzones and lootspawns. (See Discussion)|
Current Maps (that are after rock update)