MGM Growth Properties Operating Partnership (MGP) 8-K/A Completion of Acquisition or Disposition of Assets

Exhibit 23.1

CONSENT OF INDEPENDENT AUDITORS

We consent to the incorporation by reference in Registration StatementNo. 333-218090 on FormS-3 and Registration StatementNo. 333-210832 on FormS-8 of MGM Growth Properties LLC of our report dated March 30, 2018, (September 18, 2018 as to the adoption of ASU 2016-18 Statement of Cash Flows (Topic 230):Restricted Cash), relating to the consolidated financial statements of Northfield Park Associates, LLC and Subsidiary as of and for the years ended December 31, 2017 and 2016 appearing in this Current Report on Form8-K/A of MGM Growth Properties LLC expected to be dated September 19, 2018.

/s/ DELOITTE & TOUCHE LLP

Cleveland, Ohio

September 18, 2018