Exhibit 23.1
CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM
We consent to the incorporation by reference in this Registration Statement of CenterState Bank Corporation on FormS-8 of our report dated February 28, 2019 relating to the consolidated financial statements and the effectiveness of internal control over financial reporting appearing in the Annual Report onForm 10-K of CenterState Bank Corporation for the year ended December 31, 2018.
/s/ Crowe LLP
Fort Lauderdale, Florida
April 1, 2019