Exhibit 23.1

Consent of Independent Registered Public Accounting Firm

We consent to the incorporation by reference in this Registration Statement on Form S-3 and related Prospectus of our reports dated March 1, 2023, relating to the consolidated financial statements of Amerant Bancorp Inc. (the Company), and the effectiveness of the Company’s internal control over financial reporting (which report expresses an adverse opinion on the effectiveness of the Company’s internal control over financial reporting because of a material weakness), appearing in the Annual Report on Form 10-K of the Company for the year ended December 31, 2022.

We also consent to the reference to our firm under the heading “Experts” in such Prospectus.

 

/s/ RSM US LLP

Fort Lauderdale, Florida

June 23, 2023