Exhibit 23.1
Consent of Independent Registered Public Accounting Firm
The Board of Directors
Martin Midstream GP LLC:
We consent to the incorporation by reference in the registration statements (No. 333-117023) on
Form S-3 and (No. 333-140152) on Form S-8 of Martin Midstream Partners L.P. of our reports dated
March 5, 2007, with respect to the consolidated balance sheets of Martin Midstream Partners L.P.
and subsidiaries as of December 31, 2006 and 2005, and the related consolidated statements of
operations, changes in capital, comprehensive income, and cash flows for each of the years in the
three-year period ended December 31, 2006, managements assessment of the effectiveness
of internal control over financial reporting as of December 31, 2006, and the effectiveness of
internal control over financial reporting as of December 31, 2006, which reports appear in the
December 31, 2006 annual report on Form 10-K of Martin Midstream Partners L.P.
/s/ KPMG LLP
Shreveport, Louisiana
March 5, 2007