The Gulf of Mexico Alliance (GOMA) is using ArcGIS Hub to share data and maps from a variety of public and private authoritative sources across the five U.S. Gulf states (Florida, Alabama, Mississippi, Louisiana, and Texas). The Gulf of Mexico Open Data Platform uses Hub to provide the tools needed to create a single point of entry for users to discover, explore, and access Gulf-wide data from a variety of sources. Now GOMA is extending collaboration with their partners across the Gulf by co-developing common schema and sharing them as Feature Layer Views in Open Data Groups. This presentation will discuss the technical methods used to overcome a variety of technical challenges, as well the significant efforts across multiple Communities of Practice to minimize tasking and update anomalies, while maximizing exposure and usefulness of data contributions with Hub.