Florida -- Converted by SEC Publisher, created by BCL Technologies Inc., for SEC Filing

UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

FORM N-Q

QUARTERLY SCHEDULE OF PORTFOLIO HOLDINGS OF REGISTERED
MANAGEMENT INVESTMENT COMPANY

Investment Company Act file number 811-06502

Name of Fund: BlackRock MuniYield Florida Fund (MYF)

Fund Address: 100 Bellevue Parkway, Wilmington, DE 19809

Name and address of agent for service: Donald C. Burke, Chief Executive Officer, BlackRock
MuniYield Florida Fund, 800 Scudders Mill Road, Plainsboro, NJ, 08536. Mailing address:
P.O. Box 9011, Princeton, NJ, 08543-9011

Registrant’s telephone number, including area code: (800) 882-0052, Option 4

Date of fiscal year end: 10/31/2008

Date of reporting period: 11/01/2007 – 01/31/2008

Item 1 – Schedule of Investments

BlackRock MuniYield Florida Fund             
Schedule of Investments as of January 31, 2008 (Unaudited)            (in Thousands) 
 
 
 
        Face                 
        Amount    Municipal Bonds            Value 
 
 
 
 
 
 
District of Columbia -    $ 1,000    Metropolitan Washington Airports Authority, D.C., Airport System Revenue Bonds, AMT,     
0.5%            Series A, 5.25% due 10/01/2032 (f)            $ 1,009 
 
 
 
 
 
 
Florida - 129.5%        2,100    Alachua County, Florida, School Board, COP, 5.25% due 7/01/2029 (b)    2,132 
       
 
 
        1,500    Arbor Greene Community Development District, Florida, Special Assessment Revenue Refunding Bonds,     
            5% due 5/01/2019            1,581 
       
 
 
 
 
        2,420    Bay County, Florida, Sales Tax Revenue Bonds, 5% due 9/01/2027 (b)    2,476 
       
 
 
        2,000    Beacon Tradeport Community Development District, Florida, Special Assessment Revenue Refunding Bonds     
            (Commercial Project), Series A, 5.625% due 5/01/2032 (o)    2,054 
       
 
 
        3,000    Brevard County, Florida, Health Facilities Authority, Healthcare Facilities Revenue Bonds (Health First Inc. Project),     
            5% due 4/01/2036            2,920 
       
 
 
 
 
        2,870    Broward County, Florida, Airport System Revenue Bonds, AMT, Series I, 5.75% due 10/01/2018 (b)    3,018 
       
 
 
        2,750    Broward County, Florida, Educational Facilities Authority Revenue Bonds (Nova Southeastern University),     
            5% due 4/01/2031 (c)            2,835 
       
 
 
 
 
        1,000    Broward County, Florida, Educational Facilities Authority Revenue Bonds (Nova Southeastern University),     
            Series B, 5.625% due 4/01/2034            1,011 
       
 
 
 
 
        1,470    Broward County, Florida, HFA, S/F Mortgage Revenue Refunding Bonds, AMT,     
            Series E, 5.90% due 10/01/2039 (g)(h)            1,607 
       
 
 
 
 
        1,750    Cape Coral, Florida, Special Obligation Revenue Bonds, 5% due 10/01/2023 (m)    1,857 
       
 
 
        2,060    Cape Coral, Florida, Special Obligation Revenue Bonds, 5% due 10/01/2026 (m)    2,154 
       
 
 
        2,240    Citrus County, Florida, Hospital Board Revenue Refunding Bonds (Citrus Memorial Hospital), 6.25% due 8/15/2023    2,383 
       
 
 
        2,850    Citrus County, Florida, Hospital Board Revenue Refunding Bonds (Citrus Memorial Hospital),     
            6.375% due 8/15/2032            2,984 
       
 
 
 
 
        460    Collier County, Florida, IDA, IDR, Refunding (Southern States Utilities), AMT, 6.50% due 10/01/2025    460 
       
 
 
        805    Duval County, Florida, HFA, S/F Mortgage Revenue Refunding Bonds, AMT, 5.40% due 10/01/2021 (h)    816 
       
 
 
        1,575    Duval County, Florida, HFA, S/F Mortgage Revenue Refunding Bonds, AMT, 5.85% due 10/01/2027 (h)(m)    1,643 
       
 
 
        4,000    Escambia County, Florida, Environmental Improvement Revenue Refunding Bonds (International Paper Company     
            Projects), AMT, Series A, 5% due 8/01/2026        3,577 
       
 
 
 
        1,300    Florida Housing Finance Corporation, Homeowner Mortgage Revenue Bonds, AMT,     
            Series 3, 5.15% due 7/01/2038 (g)(h)            1,278 
 
 
 
 
 
 
Portfolio Abbreviations                     
 
 
 
 
 
             To simplify the listings of BlackRock MuniYield Florida Fund's portfolio holdings in the Schedule of Investments, we have     
             abbreviated the names of many of the securities according to the list below.             
             AMT    Alternative Minimum Tax (subject to)    HFA    Housing Finance Agency     
             COP    Certificates of Participation        IDA    Industrial Development Authority     
             DRIVERS    Derivative Inverse Tax-Exempt Receipts    IDR    Industrial Development Revenue Bonds     
             EDA    Economic Development Authority    S/F    Single-Family     
             GO    General Obligation Bonds        VRDN    Variable Rate Demand Notes     

1

BlackRock MuniYield Florida Fund     
Schedule of Investments as of January 31, 2008 (Unaudited)    (in Thousands) 
 
Face         
Amount    Municipal Bonds    Value 
 
 
$ 420    Florida Housing Finance Corporation, Homeowner Mortgage Revenue Refunding Bonds, AMT,     
    Series 4, 6.25% due 7/01/2022 (j)    $ 443 
 
 
1,580    Florida Municipal Loan Council Revenue Bonds, Series A-1, 5.125% due 7/01/2034 (m)    1,624 
 
 
4,250    Florida Municipal Loan Council Revenue Bonds, Series B, 5.375% due 11/01/2030 (m)    4,460 
 
 
2,500    Florida State Board of Education, GO (Public Education Capital Outlay), Series J, 5% due 6/01/2031    2,571 
 
 
1,000    Florida State Governmental Utility Authority, Utility Revenue Bonds (Lehigh Utility System),     
    5.125% due 10/01/2033 (b)    1,023 
 
 
2,750    Fort Myers, Florida, Utility System Revenue Refunding Bonds, 5% due 10/01/2031 (m)    2,832 
 
 
4,500    Halifax Hospital Medical Center, Florida, Hospital Revenue Refunding and Improvement Bonds,     
    Series A, 5.25% due 6/01/2026    4,503 
 
 
2,000    Highlands County, Florida, Health Facilities Authority, Hospital Revenue Bonds (Adventist Health System),     
    Series C, 5.25% due 11/15/2036    2,019 
 
 
1,055    Hillsborough County, Florida, Court Facilities Revenue Bonds, 5.40% due 11/01/2012 (b)(n)    1,183 
 
 
2,500    Hillsborough County, Florida, IDA, Exempt Facilities Revenue Bonds (National Gypsum Company), AMT,     
    Series A, 7.125% due 4/01/2030    2,567 
 
 
3,750    Hillsborough County, Florida, IDA, Exempt Facilities Revenue Bonds (National Gypsum Company), AMT,     
    Series B, 7.125% due 4/01/2030    3,850 
 
 
4,575    Hillsborough County, Florida, IDA, Hospital Revenue Bonds (H. Lee Moffitt Cancer Center Project),     
    Series A, 5.25% due 7/01/2037    4,521 
 
 
1,000    Hillsborough County, Florida, IDA, Hospital Revenue Bonds (H. Lee Moffitt Cancer Center Project),     
    Series C, 5.50% due 7/01/2032    1,009 
 
 
1,500    Hillsborough County, Florida, School Board, COP, 5% due 7/01/2029 (m)    1,502 
 
 
1,000    Jacksonville, Florida, Economic Development Commission, Health Care Facilities Revenue Bonds     
    (Mayo Clinic-Jacksonville), Series A, 5.50% due 11/15/2036 (m)    1,065 
 
 
1,140    Jacksonville, Florida, Economic Development Commission, IDR (Metropolitan Parking Solutions Project),     
    AMT, 5.50% due 10/01/2030 (a)    1,079 
 
 
2,800    Jacksonville, Florida, Economic Development Commission, IDR (Metropolitan Parking Solutions Project),     
    AMT, 5.875% due 6/01/2031 (a)    2,780 
 
 
1,500    Jacksonville, Florida, Excise Taxes Revenue Bonds, Series B, 5.125% due 10/01/2032 (f)    1,531 
 
 
2,315    Jacksonville, Florida, Guaranteed Entitlement Revenue Refunding and Improvement Bonds,     
    5.25% due 10/01/2032 (f)    2,393 
 
 
1,000    Jacksonville, Florida, HFA, Homeowner Mortgage Revenue Refunding Bonds, AMT,     
    Series A-1, 5.625% due 10/01/2039 (g)(h)    1,030 
 
 
3,145    Jacksonville, Florida, Health Facilities Authority, Hospital Revenue Bonds (Baptist Medical Center Project),     
    5% due 8/15/2037 (j)    3,200 
 
 
3,800    Jacksonville, Florida, Sales Tax Revenue Bonds, 5% due 10/01/2027 (m)    3,898 
 
 
3,500    Lakeland, Florida, Hospital System Revenue Bonds (Lakeland Regional Health System),     
    Series A, 5.50% due 11/15/2009 (m)(n)    3,738 
 
 

2

BlackRock MuniYield Florida Fund     
Schedule of Investments as of January 31, 2008 (Unaudited)    (in Thousands) 
 
Face         
Amount    Municipal Bonds    Value 
 
 
$ 1,375    Lee County, Florida, Capital Revenue Bonds, 5.25% due 10/01/2023 (b)    $ 1,471 
 
 
35    Lee County, Florida, HFA, S/F Mortgage Revenue Bonds (Multi-County Program), AMT,     
    Series A-1, 7.125% due 3/01/2028 (h)    35 
 
 
2,500    Lee County, Florida, HFA, S/F Mortgage Revenue Bonds (Multi-County Program), AMT,     
    Series A-2, 6% due 9/01/2040 (g)(h)    2,799 
 
 
1,380    Lee County, Florida, IDA, Health Care Facilities, Revenue Refunding Bonds     
    (Shell Point/Alliance Obligor Group), 5% due 11/15/2032    1,216 
 
 
3,000    Lee Memorial Health System, Florida, Hospital Revenue Bonds, Series A, 5% due 4/01/2032 (b)    3,030 
 
 
65    Leon County, Florida, HFA, S/F Mortgage Revenue Bonds (Multi-County Program), AMT,     
    Series B, 7.30% due 1/01/2028 (g)(k)    67 
 
 
1,400    Manatee County, Florida, HFA, Homeowner Revenue Bonds, AMT, Series A, 5.90% due 9/01/2040 (g)(h)    1,519 
 
 
115    Manatee County, Florida, HFA, S/F Mortgage Revenue Refunding Bonds, AMT,     
    Sub-Series 1, 6.25% due 11/01/2028 (k)    117 
 
 
1,000    Marco Island, Florida, Utility System Revenue Bonds, 5% due 10/01/2033 (m)    1,022 
 
 
1,350    Martin County, Florida, Health Facilities Authority, Hospital Revenue Bonds     
    (Martin Memorial Medical Center), Series A, 5.75% due 11/15/2012 (n)    1,539 
 
 
3,535    Martin County, Florida, Health Facilities Authority, Hospital Revenue Bonds     
    (Martin Memorial Medical Center), Series A, 5.875% due 11/15/2012 (n)    4,048 
 
 
3,000    Miami Beach, Florida, Water and Sewer Revenue Bonds, 5.75% due 9/01/2025 (b)    3,179 
 
 
2,435    Miami-Dade County, Florida, Aviation Revenue Bonds, AMT, Series A, 5% due 10/01/2033 (j)    2,424 
 
 
4,300    Miami-Dade County, Florida, Aviation Revenue Bonds (Miami International Airport), AMT,     
    Series A, 6% due 10/01/2029 (f)    4,525 
 
 
1,750    Miami-Dade County, Florida, Educational Facilities Authority Revenue Bonds (University of Miami),     
    Series A, 5.75% due 4/01/2010 (b)(n)    1,892 
 
 
3    Miami-Dade County, Florida, Expressway Authority Toll System Revenue Bonds, DRIVERS, VRDN, Series 160,     
    6.375% due 7/01/2010 (f)(n)(q)    3 
 
 
4,750    Miami-Dade County, Florida, Expressway Authority, Toll System Revenue Bonds, Series B, 5% due 7/01/2033 (f)    4,776 
 
 
1,800    Miami-Dade County, Florida, HFA, Home Ownership Mortgage Revenue Bonds, AMT,     
    Series A, 5.55% due 10/01/2049 (g)(h)    1,920 
 
 
390    Miami-Dade County, Florida, HFA, Home Ownership Mortgage Revenue Refunding Bonds, AMT,     
    Series A-1, 6.30% due 10/01/2020 (h)    392 
 
 
3,200    Miami-Dade County, Florida, School Board, COP, Series A, 5.50% due 10/01/2009 (j)(n)    3,377 
 
 
2,500    Miami-Dade County, Florida, School Board, COP, Series B, 5% due 11/01/2031 (b)    2,500 
 
 
2,800    Miami-Dade County, Florida, Solid Waste System Revenue Bonds, 5.25% due 10/01/2030 (m)    2,942 
 
 
2,000    Miami, Florida, Special Obligation Revenue Bonds (Street and Sidewalk Improvement Program),     
    5% due 1/01/2037 (m)    2,019 
 
 
1,500    Orange County, Florida, Educational Facilities Authority, Educational Facilities Revenue Bonds     
    (Rollins College Project), 5.25% due 12/01/2032 (b)    1,580 
 
 

3

BlackRock MuniYield Florida Fund     
Schedule of Investments as of January 31, 2008 (Unaudited)    (in Thousands) 
 
Face         
Amount    Municipal Bonds    Value 
 
 
$ 5,140    Orange County, Florida, Health Facilities Authority, Hospital Revenue Bonds     
    (Orlando Regional Healthcare), 6% due 12/01/2012 (n)    $ 5,876 
 
 
10,500    Orange County, Florida, School Board, COP, Series A, 5.25% due 8/01/2009 (m)(n)    11,088 
 
 
1,600    Orange County, Florida, School Board, COP, Series A, 5% due 8/01/2032 (f)    1,598 
 
 
3,500    Orange County, Florida, Tourist Development, Tax Revenue Refunding Bonds, 5% due 10/01/2029 (b)    3,567 
 
 
3,000    Orlando and Orange County, Florida, Expressway Authority Revenue Bonds, Series B, 5% due 7/01/2030 (b)    3,058 
 
 
10,185    Orlando and Orange County, Florida, Expressway Authority Revenue Bonds, Series B, 5% due 7/01/2035 (b)    10,353 
 
 
860    Orlando, Florida, Utilities Commission, Water and Electric Revenue Refunding Bonds,     
    Series C, 5.25% due 10/01/2012 (n)    957 
 
 
140    Orlando, Florida, Utilities Commission, Water and Electric Revenue Refunding Bonds,     
    Series C, 5.25% due 10/01/2023    149 
 
 
1,760    Osceola County, Florida, Tourist Development Tax Revenue Bonds, Series A, 5.50% due 10/01/2027 (f)    1,872 
 
 
5,000    Palm Beach County, Florida, Airport System Revenue Bonds, AMT, Series A, 5% due 10/01/2034 (m)    4,881 
 
 
3,390    Palm Beach County, Florida, Criminal Justice Facilities Revenue Bonds, 7.20% due 6/01/2015 (f)    4,257 
 
 
6,000    Palm Beach County, Florida, School Board, COP, Series A, 6.25% due 8/01/2010 (f)(n)    6,619 
 
 
1,000    Palm Beach County, Florida, School Board, COP, Series A, 5% due 8/01/2029 (f)    1,002 
 
 
2,200    Palm Beach County, Florida, School Board, COP, Series A, 5% due 8/01/2031 (j)    2,254 
 
 
310    Pinellas County, Florida, HFA, S/F Housing Revenue Refunding Bonds (Multi-County Program), AMT,     
    Series A-1, 6.30% due 9/01/2020 (h)    314 
 
 
460    Pinellas County, Florida, HFA, S/F Housing Revenue Refunding Bonds (Multi-County Program), AMT,     
    Series A-1, 6.35% due 9/01/2025 (h)    466 
 
 
4,385    Polk County, Florida, School Board COP, Master Lease, Series A, 5.50% due 1/01/2025 (j)    4,637 
 
 
1,105    Port Everglades Authority, Florida, Port Revenue Bonds, 7.125% due 11/01/2016 (e)    1,306 
 
 
1,215    Port St. Lucie, Florida, Utility Revenue Bonds, 5.25% due 9/01/2025 (m)    1,253 
 
 
2,045    Reedy Creek, Florida, Improvement District, Utilities Revenue Bonds, Series 1, 5% due 10/01/2025 (b)    2,131 
 
 
1,000    Saint Johns County, Florida, Ponte Vedra Utility System Revenue Bonds, 5% due 10/01/2035 (j)    1,027 
 
 
2,400    Saint Johns County, Florida, Sales Tax Revenue Bonds, Series A, 5.25% due 10/01/2032 (b)    2,479 
 
 
1,200    Saint Johns County, Florida, Sales Tax Revenue Bonds, Series A, 5.25% due 10/01/2034 (b)    1,242 
 
 
1,015    Saint Johns County, Florida, Sales Tax Revenue Bonds, Series B, 5.25% due 10/01/2032 (b)    1,048 
 
 
2,275    South Florida Water Management District, COP, 5% due 10/01/2036 (b)    2,258 
 
 
1,000    South Lake County, Florida, Hospital District Revenue Bonds (South Lake Hospital Inc.), 5.80% due 10/01/2034    1,018 
 
 
1,150    South Lake County, Florida, Hospital District Revenue Bonds (South Lake Hospital Inc.), 6.375% due 10/01/2034    1,190 
 
 
2,190    Sumter County, Florida, Capital Improvement Revenue Bonds, 5% due 6/01/2026 (b)    2,279 
 
 
3,500    Sumter County, Florida, Capital Improvement Revenue Bonds, 5% due 6/01/2030 (b)    3,596 
 
 
5,000    Tampa Bay, Florida, Water Utility System Revenue Bonds, 5.75% due 10/01/2011 (f)(n)    5,555 
 
 
3,235    University of Central Florida, COP (UCF) Athletics Association Inc., Series A, 5.25% due 10/01/2034 (f)    3,275 
 
 
4,400    University of Central Florida, COP (UCF Convocation Center), Series A, 5% due 10/01/2035 (f)    4,374 
 
 
2,400    University of North Florida, Capital Improvement Revenue Bonds (Housing Project), 5% due 11/01/2032 (f)    2,410 
 
 
1,995    Village Center Community Development District, Florida, Recreational Revenue Bonds,     
    Series A, 5.375% due 11/01/2034 (m)    2,110 
 
 

4

BlackRock MuniYield Florida Fund     
Schedule of Investments as of January 31, 2008 (Unaudited)    (in Thousands) 
 
    Face         
    Amount    Municipal Bonds    Value 
 
 
 
$ 1,000    Village Center Community Development District, Florida, Recreational Revenue Bonds,     
        Series A, 5.125% due 11/01/2036 (m)    $ 1,033 
 
 
 
    5,040    Village Center Community Development District, Florida, Utility Revenue Bonds, 5.125% due 10/01/2028 (m)    5,211 
 
 
 
    1,000    Volusia County, Florida, IDA, Student Housing Revenue Bonds (Stetson University Project),     
        Series A, 5% due 6/01/2035 (d)    1,014 
 
 
 
    5,000    Volusia County, Florida, School Board, COP (Master Lease Program), 5.50% due 8/01/2024 (j)    5,262 
 
 
 
Georgia - 1.7%    3,270    Atlanta, Georgia, Airport Passenger Facility Charge and Subordinate Lien General Revenue Refunding Bonds, Series C,     
        5% due 1/01/2033 (j)    3,335 
 
 
 
New Jersey - 1.8%    1,735    New Jersey EDA, Cigarette Tax Revenue Bonds, 5.75% due 6/15/2029    1,726 
   
 
 
    505    New Jersey EDA, Cigarette Tax Revenue Bonds, 5.50% due 6/15/2031    489 
 
 
 
    1,000    Tobacco Settlement Financing Corporation of New Jersey, Asset-Backed Revenue Bonds, 7% due 6/01/2013 (n)    1,210 
 
 
 
Puerto Rico - 3.3%    1,000    Puerto Rico Commonwealth, Public Improvement, GO, Series A, 5.25% due 7/01/2026    1,006 
   
 
 
    1,800    Puerto Rico Electric Power Authority, Power Revenue Bonds, Series TT, 5% due 7/01/2037    1,786 
 
 
 
    2,000    Puerto Rico Public Buildings Authority, Government Facilities Revenue Refunding Bonds,     
        Series I, 5% due 7/01/2036 (s)    1,941 
 
 
 
    1,715    Puerto Rico Public Finance Corporation, Commonwealth Appropriation Revenue Bonds,     
        Series E, 5.70% due 2/01/2010 (n)    1,822 
 
 
 
        Total Municipal Bonds (Cost - $259,583) - 136.8%    268,342 
 
 
 
        Municipal Bonds Transferred to Tender Option Bond Trusts (r)     
 
 
 
Florida - 21.6%    5,000    Miami-Dade County, Florida, Aviation Revenue Refunding Bonds (Miami International Airport), AMT, Series A,     
        5% due 10/01/2040 (i)    4,765 
 
 
 
    16,000    Miami-Dade County, Florida, Expressway Authority, Toll System Revenue Bonds, 6.375% due 7/01/2010 (f)(n)    17,635 
 
 
 
    6,595    Miami-Dade County, Florida, Health Facilities Authority, Hospital Revenue Refunding Bonds     
        (Miami Children's Hospital), Series A, 5.625% due 8/15/2017 (b)    7,330 
 
 
 
    1,180    Santa Rosa County, Florida, School Board, COP, Revenue Refunding Bonds, Series 2, 5.25% due 2/01/2026 (f)    1,204 
 
 
 
    1,820    Santa Rosa County, Florida, School Board, COP, Revenue Refunding Bonds, Series 2, 5.25% due 2/01/2031 (f)    1,856 
 
 
 
    8,500    South Broward, Florida, Hospital District, Hospital Revenue Bonds, 5.625% due 5/01/2032 (m)    9,570 
 
 
 
        Total Municipal Bonds Transferred to Tender Option Bond Trusts (Cost - $40,712) - 21.6%    42,360 
 
 
 
    Shares         
    Held    Short-Term Securities     
 
 
 
    1,393    CMA Florida Municipal Money Fund, 2.12% (l)(p)    1,393 
 
 
 
        Total Short-Term Securities (Cost - $1,393) - 0.7%    1,393 
 
 
 
        Total Investments (Cost - $301,688*) - 159.1%    312,095 
        Other Assets Less Liabilities - 7.0%    13,807 
        Liability for Trust Certificates, Including Interest Expense Payable - (10.0%)    (19,711) 
        Preferred Shares, at Redemption Value - (56.1%)    (110,067) 
           
        Net Assets Applicable to Common Shares - 100.0%    $ 196,124 
           

5

BlackRock MuniYield Florida Fund         
Schedule of Investments as of January 31, 2008 (Unaudited)    (in Thousands) 
 
       * The cost and unrealized appreciation (depreciation) of investments as of January 3l, 2008, as computed     
             for federal income tax purposes, were as follows:             
             Aggregate cost    $ 283,709     
   
   
             Gross unrealized appreciation    $ 11,362     
             Gross unrealized depreciation        (2,524)     
   
 
   
             Net unrealized appreciation    $ 8,838     
   
   

(a) ACA Insured.         
(b) AMBAC Insured.         
(c) Assured Guaranty Insured.         
(d) CIFG Insured.         
(e) Escrowed to maturity.         
 (f) FGIC Insured.         
(g) FHLMC Collateralized.         
(h) FNMA/GNMA Collateralized.         
 (i) XL Capital Insured.         
 (j) FSA Insured.         
(k) GNMA Collateralized.         
 (l) Investments in companies considered to be an affiliate of the Fund, for purposes of     
       Section 2(a)(3) of the Investment Company Act of 1940, were as follows:     
 
    Net    Dividend 
Affiliate    Activity    Income 
 
 
       CMA Florida Municipal Money Fund    $ (4,685)    $ 17 
 
 
(m) MBIA Insured.         
(n) Prerefunded.         
(o) Radian Insured.         
(p) Represents the current yield as of January 3l, 2008.         

(q) The rate disclosed is that currently in effect. This rate changes periodically and inversely based upon prevailing market rates.

(r) Securities represent underlying bonds transferred to a separate securitization trust established in a tender option bond transaction in which the Fund may have acquired the residual interest certificates. These securities serve as collateral in a financing transaction. (s) Commonwealth Guaranteed.

6

Item 2 – Controls and Procedures

2(a) – The registrant’s principal executive and principal financial officers or persons performing
similar functions have concluded that the registrant’s disclosure controls and procedures (as
defined in Rule 30a-3(c) under the Investment Company Act of 1940, as amended (the
“1940 Act”)) are effective as of a date within 90 days of the filing of this report based on the
evaluation of these controls and procedures required by Rule 30a-3(b) under the 1940 Act
and Rule 13a-15(b) under the Securities Exchange Act of 1934, as amended.

2(b) – There were no changes in the registrant’s internal control over financial reporting (as
defined in Rule 30a-3(d) under the 1940 Act) that occurred during the registrant’s last fiscal
quarter that have materially affected, or are reasonably likely to materially affect, the
registrant’s internal control over financial reporting.

Item 3 – Exhibits

  Certifications – Attached hereto

Pursuant to the requirements of the Securities Exchange Act of 1934 and the Investment
Company Act of 1940, the registrant has duly caused this report to be signed on its behalf by
the undersigned, thereunto duly authorized.

BlackRock MuniYield Florida Fund

By: /s/ Donald C. Burke

  Donald C. Burke
Chief Executive Officer of
BlackRock MuniYield Florida Fund

  Date: March 24, 2008

Pursuant to the requirements of the Securities Exchange Act of 1934 and the Investment
Company Act of 1940, this report has been signed below by the following persons on behalf
of the registrant and in the capacities and on the dates indicated.

  By: /s/ Donald C. Burke
Donald C. Burke
Chief Executive Officer (principal executive officer) of
BlackRock MuniYield Florida Fund

  Date: March 24, 2008

  By: /s/ Neal J. Andrews
Neal J. Andrews
Chief Financial Officer (principal financial officer) of
BlackRock MuniYield Florida Fund

Date: March 24, 2008