Exhibit 23.3
CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM
We consent to the incorporation by reference in this Registration Statement of Seacoast Banking Corporation of Florida on Form S-4 of our report dated March 16, 2015, relating to the consolidated financial statements and effectiveness of internal control over financial reporting appearing in the Annual Report on Form 10-K of Seacoast Banking Corporation of Florida as of and for the year ended December 31, 2014, and to the reference to our firm under the heading “Experts” in this Registration Statement.
/s/ Crowe Horwath LLP
Fort Lauderdale, Florida
December 14, 2015