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:    811-21180          

          BlackRock Florida Insured Municipal Income Trust          
(Exact name of registrant as specified in charter)

100 Bellevue Parkway, Wilmington, DE 
19809 
(Address of principal executive offices)  (Zip code) 


Robert S. Kapito, President 
BlackRock Florida Insured Municipal Income Trust
40 East 52nd Street, New York, NY 10022 
(Name and address of agent for service) 

Registrant’s telephone number, including area code:      888-825-2257          

Date of fiscal year end:      August 31, 2007   
Date of reporting period:
     November 30, 2006   


Item 1. Schedule of Investments.

The Registrant’s unaudited schedule of investments as of the close of the reporting period pursuant to Rule 30b1-5 under the Investment Company Act of 1940 is as follows:

PORTFOLIO OF INVESTMENTS (unaudited)         
NOVEMBER 30, 2006         
BlackRock Florida Insured Municipal Income Trust (BAF)         
(Percentage of Net Assets)         
 
 
 
   
Principal 
           
   
Amount 
   
Option Call 
     
Rating1 
 
(000) 
  Description  Provisions2   
Value 
 
        LONG-TERM INVESTMENTS—153.4%         
        Florida—146.0%         
        Brd. of Ed.,         
AAA    $      8,640       Sch. Imvpts. Misc. RB, Ser. C, 5.00%, 1/01/22, MBIA 
01/13 @ 101  
$
9,228,211   
AAA    9,000       Sch. Impvts. Misc. Tax GO, Ser. A, 5.00%, 6/01/27, FSA  06/12 @ 101    9,553,140   
AAA    8,695    City of Gainesville, Mult. Util. Impvts. RB, Ser. A, 5.00%, 10/01/33, FSA  10/13 @ 100    9,252,871   
AAA    2,865    City of Jacksonville, Recreational Fac. Impvts. RB, Ser. A, 5.00%, 10/01/30, AMBAC  10/12 @ 100    3,006,560   
        City of Palm Bay, Wtr. Util. Impvts. Wtr. RB,         
AAA    4,015       Zero Coupon, 10/01/28, FGIC  No Opt. Call    1,491,211   
AAA    5,570       Zero Coupon, 10/01/31, FGIC  No Opt. Call    1,821,557   
AAA    500    City of Tampa, Wtr. Util. Impvts. Wtr. RB, 4.625%, 10/01/36, MBIA  10/16 @ 100    512,090   
        Cnty. of Miami-Dade,         
AAA    10,000       Recreational Fac. Impvts. Misc. RB, Ser. A, Zero Coupon, 10/01/39, MBIA  10/15 @ 28.762    1,933,200   
AAA    10,000       Recreational Fac. Impvts. Misc. RB, Ser. A, Zero Coupon, 10/01/40, MBIA  10/15 @ 27.307    1,835,000   
AAA    26,935       Recreational Fac. Impvts. Misc. Taxes RB, Ser. B, Zero Coupon, 10/01/31, MBIA  04/08 @ 28.079    7,132,927   
        Cnty. of Orange,         
AAA    7,975       Sales Tax RB, Ser. B, 5.125%, 1/01/32, FGIC  01/13 @ 100    8,490,584   
AAA    9,250       Recreational Fac. Impvts. Misc. RB, 5.125%, 10/01/30, AMBAC  04/12 @ 100    9,790,662   
AAA    9,500    Cnty. of Pinellas, Swr. Impvts. RB, 5.00%, 10/01/32, FSA  10/13 @ 100    10,109,520   
AAA    5,000    Cnty. of Polk, Wtr. Util. Impvts. Wtr. RB, 5.00%, 10/01/29, FGIC  10/13 @ 100    5,320,800   
AAA    2,945    Cnty. of Sarasota, Wtr. RB, Ser. C, 5.25%, 10/01/22, FGIC  10/12 @ 100    3,171,264   
NR    3,830    Colonial Cntry. Club Cmnty. Dev. Dist., Econ. Impvts. SA, 6.40%, 5/01/33  05/13 @ 101    4,153,444   
AAA    7,000    Fuel Sales Tax GO, 5.00%, 7/01/27, FSA  07/12 @ 101    7,434,840   
A+    8,5003   Highlands Cnty. Hlth. Facs. Auth., Hlth., Hosp. & Nursing Home RB, Adventist Hlth.         
           Sys./Sunbelt Proj., Ser. A, 6.00%, 11/15/11  N/A    9,485,745   
AAA    7,580    Hillsborough Cnty. Sch. Brd., Lease Renewal COP, Ser. A, 5.00%, 7/01/25, MBIA  07/10 @ 100    7,853,714   
        Jacksonville, Pub. Impvts. Sales Tax RB,         
AAA    9,500       5.00%, 10/01/27, MBIA  10/13 @ 100    10,109,520   
AAA    9,500       5.00%, 10/01/31, MBIA  10/11 @ 100    9,892,255   
AAA    8,000       Ser. B, 5.00%, 10/01/26, AMBAC  10/12 @ 100    8,403,840   
AAA    2,000    JEA, Wtr. Util. Impvts. Wtr. RB, Ser. A, 4.75%, 10/01/41, MBIA  04/11 @ 100    2,049,460   
AAA    1,480    Julington Creek Plantation Cmnty. Dev. Dist. SA, 5.00%, 5/01/29, MBIA  05/12 @ 101    1,559,594   
AAA    9,000    Lake Cnty. Sch. Brd., Sch. Impvts. Lease Renewal COP, Ser. A, 5.00%, 7/01/28, AMBAC  07/13 @ 100    9,478,980   
AAA    2,000    Orange Cnty. Sch. Brd. COP, Ser. A, 5.00%, 8/01/27, MBIA  08/12 @ 100    2,095,280   
AAA    4,000    Osceola Cnty. Sch. Brd., Sch. Impvts. Lease Appropriation COP, Ser. A, 5.25%, 6/01/27,         
           AMBAC  06/12 @ 101    4,291,280   
AAA    9,200    Palm Beach Cnty. Sch. Brd., Lease Renewal COP, Ser. D, 5.00%, 8/01/28, FSA  08/12 @ 100    9,628,812   
AA-    5,0003   Pinellas Cnty. Hlth. Fac. Auth., Hlth., Hosp. & Nursing Home RB, Baycare Hlth. Sys. Inc.         
           Proj., 5.50%, 5/15/13  N/A    5,521,800   
AAA    8253   Port St. Lucie, Swr. Impvts. Mult. Util. RB, 5.125%, 9/01/11, MBIA  N/A    881,323   
        South Florida Wtr. Mgmt. Dist., Wtr. Util. Impvts. Lease Appropriation COP,         
AAA    490       5.00%, 10/01/31, AMBAC  10/16 @ 100    527,431   
AAA    950       5.00%, 10/01/36, AMBAC  10/16 @ 100    1,020,177   
AAA    3,5003   St. Petersburg, Wtr. Util. Impvts. Wtr. RB, Ser. A, 5.00%, 10/01/09, FSA  N/A    3,672,130   
AAA    1,000    Tohopekaliga Wtr. Auth., Wtr. Impvts. Wtr.RB, Ser. B, 5.00%, 10/01/23, FSA  10/13 @ 100    1,066,640   
NR4   3,815    Vlg. Cmnty. Dev. Dist. No. 5, Pub. Impvts. SA, Ser. A, 6.50%, 5/01/33  05/13 @ 101    4,153,543   
AAA    10,000    Vlg. Ctr. Cmnty. Dev. Dist. Recreational Fac. Impvts. RB, Ser. A, 5.00%, 11/01/32, MBIA  11/13 @ 101 
 
10,625,300   
           
 
196,554,705   
        Puerto Rico—7.4%         
BBB    9,405    Children's Trust Fund, Tobacco Settlement Funded RB, 5.625%, 5/15/43  05/12 @ 100 
 
9,921,146   
        Total Long-Term Investments (cost $194,845,514)   
 
206,475,851   

1


BlackRock Florida Insured Municipal Income Trust (BAF) (continued)
(Percentage of Net Assets)

   
Shares 
           
   
(000) 
                                                     Description     
Value 
 
        MONEY MARKET FUND—2.4%         
    3,250    AIM Tax Free Cash Reserve Portfolio - Institutional Class (cost $3,250,000)    $  3,250,000   
        Total Investments —155.8% (cost $198,095,5145)    $  209,725,851   
        Other assets in excess of liabilities —0.7%      951,214   
        Preferred shares at redemption value, including dividends payable —(56.5)%      (76,021,862)  
        Net Assets Applicable to Common Shareholders—100%    $  134,655,203   

__________
1     Using the highest of Standard & Poor's, Moody's Investors Service or Fitch's Ratings.
 
2     Date (month/year) and price of the earliest optional call or redemption. There may be other call provisions at varying prices at later dates.
 
3     This bond is prerefunded. U.S. government securities, held in escrow, are used to pay interest on this security, as well as retire the bond in full at the date indicated, typically at a premium to par.
 
4     Security is deemed to be of investment grade quality by the investment advisor.
 
5     Cost for federal income tax purposes is $198,095,436. The net unrealized appreciation on a tax basis is $11,630,415, consisting of $11,630,415 gross unrealized appreciation and $0 gross unrealized depreciation.
 
  The value (market value plus accrued interest) of securities that are covered by insurance, which ensures the payment of principal and interest, represent approximately 85.6% of the Trust's managed assets.
 
AMBAC       
17.5% 
FGIC       
9.8% 
FSA       
24.4% 
MBIA       
31.5% 
Other       
2.4% 
 

KEY TO ABBREVIATIONS

AMBAC    American Municipal Bond Assurance Corp.  GO    General Obligation 
COP    Certificate of Participation  MBIA    Municipal Bond Insurance Assoc. 
FGIC    Financial Guaranty Insurance Co.  RB    Revenue Bond 
FSA    Financial Security Assurance  SA    Special Assessment 
 

 

2


Item 2. Controls and Procedures.

(a) The Registrant’s principal executive and principal financial officers have evaluated the Registrant’s disclosure controls and procedures within 90 days of this filing and have concluded, as of that date, that the Registrant’s disclosure controls and procedures were reasonably designed to ensure that information required to be disclosed by the Registrant in this Form N-Q was recorded, processed, summarized, and reported within the required time periods and that information to be disclosed by the Registrant in this Form N-Q was accumulated and communicated to the Registrant’s management, including its principal executive and principal financial officers, as appropriate, to allow timely decisions regarding required disclosure.

(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 (17 CFR 270.30a -3(d)) 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.

Separate certifications of the Registrant’s Principal Executive and Financial Officers pursuant to Section 302 of the Sarbanes-Oxley Act of 2002 are attached as EX-99.CERT.


SIGNATURES

      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.

(Registrant)      BlackRock Florida Insured Municipal Income Trust           
 
By:      /s/ Donald C. Burke                         
Name: Donald C. Burke 
Title: Treasurer and Principal Financial Officer 
Date: January 25, 2007 

      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/ Robert S. Kapito                         
Name: Robert S. Kapito 
Title: President and Principal Executive Officer 
Date: January 25, 2007 
 
By:        /s/ Donald C. Burke                         
Name: Donald C. Burke 
Title: Treasurer and Principal Financial Officer 
Date: January 25, 2007