Bimini Capital Management (BMNM) 10-K 2006 FY Annual report

Exhibit 32.2

CERTIFICATION PURSUANT TO

18 U.S.C. SECTION 1350,

AS ADOPTED PURSUANT TO

SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

In connection with the Annual Report on Form 10-K of Opteum Inc. (the "Company") for the fiscal year ended December 31, 2006, as filed with the Securities and Exchange Commission on the date hereof (the "Report"), I, Robert E. Cauley, Vice Chairman of the Board, Senior Executive Vice President, Chief Financial Officer and Chief Investment Officer of the Company, hereby certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that:

1. The Report fully complies with the requirements of Section 13(a) or 15(d), as applicable, of the Securities Exchange Act of 1934; and

2. The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company as of, and for, the periods presented in the Report.

March 14, 2007  /s/ Robert E. Cauley Robert E. Cauley Vice Chairman of the Board, Senior Executive Vice President, Chief Financial Officer and Chief Investment Officer