All ARK maps are supported at RAMShard. Including all Expansion Packs, DLCs and Custom Maps.
You can change your ARK Server map with the following steps:
On the server control panel, navigate to Files > Config Files.
Select ARK Server Settings
Click the "Server Map" option and select the map you wish to switch to.
Restart your server for the change to take effect.
Updated on: 11 / 06 / 2020