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, 2006
Date of reporting period:   November 30, 2005

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
NOVEMBER 30, 2005 (Unaudited)

BlackRock Florida Insured Municipal Income Trust (BAF)

 
Principal
       
 
Amount
  Option Call    
Rating1  
(000)
Description Provisions2   Value
      LONG-TERM INVESTMENTS—156.6%      
        Florida—149.2%      
        Brd. of Ed.,      
AAA   $ 9,000       GO, Ser. A, 5.00%, 6/01/27, FSA 06/12 @ 101   $ 9,358,740  
AAA   8,640 3     Lottery Rev., Ser. C, 5.00%, 1/01/22, MBIA 01/13 @ 101   9,072,605  
        Capital Trust Agcy. Multi-Fam., American Oppty. Proj.,      
Baa2   1,000 4      Ser. A, 5.875%, 6/01/38 N/A   961,520  
Ba1   990 4     Ser. C, 7.25%, 6/01/38 N/A   948,430  
NR   3,885   Colonial Cntry. Club Cmnty. Dev. Dist., 6.40%, 5/01/33 05/13 @ 101   4,086,476  
AAA   7,000   Dept. of Transp., GO, 5.00%, 7/01/27, FSA 07/12 @ 101   7,235,900  
AAA   2,000   Florida St. Univ. Hsg. Fac. Rev. Ed. Sys., Ser. A, 5.00%, 5/01/35 05/15 @ 101   2,067,140  
AAA   8,695   Gainesville Util. Sys., Ser. A, 5.00%, 10/01/33, FSA 10/13 @ 100   8,984,283  
A+   8,500   Highlands Cnty. Hlth. Facs. Auth., Hosp. Adventist/Sunbelt Proj., Ser. A, 6.00%, 11/15/31 11/11 @ 101   9,168,185  
AAA   7,580   Hillsborough Cnty. Sch. Brd., COP, Ser. A, 5.00%, 7/01/25, MBIA 07/10 @ 100   7,839,312  
AAA   2,865   Jacksonville Cap. Impvt., Ser. A, 5.00%, 10/01/30, AMBAC 10/12 @ 100   2,934,648  
        Jacksonville,      
AAA   8,000       Excise Tax, Ser. B, 5.00%, 10/01/26, AMBAC 10/12 @ 100   8,313,200  
AAA   9,500       Sales Tax, 5.00%, 10/01/27, MBIA 10/13 @ 100   9,898,715  
AAA   9,500       Transp., 5.00%, 10/01/31, MBIA 10/11 @ 100   9,759,920  
AAA   1,480   Julington Creek Plantation Cmnty. Dev., Assmt. Rev., 5.00%, 5/01/29, MBIA 05/12 @ 101   1,533,650  
AAA   9,000   Lake Cnty. Sch. Brd., COP, Ser. A, 5.00%, 7/01/28, AMBAC 07/13 @ 100   9,326,700  
        Miami Dade Cnty., Spec. Oblig. Rev.,      
AAA   10,000       Ser. A, Zero Coupon, 10/01/39, MBIA 10/15 @ 28.762   1,682,300  
AAA   10,000       Ser. A, Zero Coupon, 10/01/40, MBIA 10/15 @ 27.307   1,639,900  
AAA   26,935       Ser. B, Zero Coupon, 10/01/31, MBIA 04/08 @ 28.079   6,539,010  
AAA   2,000   Orange Cnty. Sch. Brd., COP, Ser. A, 5.00%, 8/01/27, MBIA 08/12 @ 100   2,066,140  
AAA   9,250   Orange Cnty. Tourist Dev., Tax Rev., 5.125%, 10/01/30, AMBAC 04/12 @ 100   9,626,382  
AAA   7,975   Orange Cnty., Sales Tax, Ser. B, 5.125%, 1/01/32, FGIC 01/13 @ 100   8,322,869  
AAA   4,000   Osceola Cnty. Sch. Brd., COP, Ser. A, 5.25%, 6/01/27, AMBAC 06/12 @ 101   4,249,000  
        Palm Bay Util.,      
AAA   4,015       Zero Coupon, 10/01/28, FGIC No Opt. Call   1,280,665  
AAA   5,570       Zero Coupon, 10/01/31, FGIC No Opt. Call   1,494,598  
AAA   9,200   Palm Beach Cnty. Sch. Brd., COP, Ser. D, 5.00%, 8/01/28, FSA 08/12 @ 100   9,493,572  
AA-   5,000   Pinellas Cnty. Hlth. Fac. Auth., Baycare Hlth. Sys. Proj., 5.50%, 11/15/33 05/13 @ 100   5,235,900  
AAA   9,500   Pinellas Cnty. Swr., 5.00%, 10/01/32, FSA 10/13 @ 100   9,822,335  
AAA   5,000   Polk Cnty. Util. Sys., 5.00%, 10/01/29, FGIC 10/13 @ 100   5,193,050  
AAA   825 4 Port St. Lucie Util., 5.125%, 9/01/11, MBIA N/A   889,663  
AAA   2,945   Sarasota Cnty. Util. Sys., Ser. C, 5.25%, 10/01/22, FGIC 10/12 @ 100   3,142,786  
AAA   3,500   St. Petersburg Pub. Util., Ser. A, 5.00%, 10/01/28, FSA 10/09 @ 101   3,599,330  
AAA   1,000   Tohopekaliga Wtr. Auth., Ser. B, 5.00%, 10/01/23, FSA 10/13 @ 100   1,047,380  
NR5   4,145   Vlg. Cmnty. Dev. Dist. Assmt. Rev., No. 5, Spl. Assmt. Rev., Ser. A, 6.50%, 5/01/33 05/13 @ 101   4,423,710  
AAA   12,000   Vlg. Ctr. Cmnty. Dev. Dist., Ser. A, 5.00%, 11/01/32, MBIA 11/13 @ 101   12,409,080  
              193,647,094  
        Puerto Rico—7.4%      
BBB   9,405   Children’s Trust Fund Tobacco Settlement Rev., 5.625%, 5/15/43 05/12 @ 100   9,547,674  
        Total Long-Term Investments (cost $196,706,428)     203,194,768  

1

BlackRock Florida Insured Municipal Income Trust (BAF) (continued)

 
Shares
       
 
(000)
Description     Value
      MONEY MARKET FUNDS—1.9%      
    2,500   AIM Tax Free Investment Co. Cash Reserve Portofolio (cost $2,500,000)     $    2,500,000  
        Total Investments—158.5% (cost $199,206,4276)     $205,694,768  
        Other assets in excess of liabilities—0.1%     95,336  
        Preferred shares at redemption value, including dividends payable—(58.6)%     (76,011,700 )
        Net Assets Applicable to Common Shareholders—100%     $129,778,404  

 
1  
Using the higher of Standard & Poor’s, Moody’s Investor Service or Fitch Ratings rating.
  
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  
Security, or a portion thereof, pledged as collateral with a value of $1,050,070 on 162 short U.S. Treasury Note futures contracts expiring December 2005, 120 short U.S. Treasury Note futures contracts expiring March 2006 and 103 U.S. Treasury Bond futures contracts expiring March 2006. The value of such contracts on November 30, 2005 was $42,177,938, with an unrealized gain of $541,306.
  
4  
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.
  
5  
Security is deemed to be of investment grade quality by the investment advisor.
  
6  
Cost for Federal tax purposes is $199,206,358. The net unrealized appreciation on a tax basis is $6,488,410, consisting of $6,594,946 gross unrealized appreciation and $106,536 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 85.1% of the Trust’s managed assets. The Trust had the following insurance concentrations:
  

  AMBAC   —   17.1%  
  FGIC   —   9.7%  
  FSA   —   24.7%  
  MBIA   —   32.4%  
  Other   —   1.2%  

KEY TO ABBREVIATIONS

AMBAC   — American Municipal Bond Assurance Corp.   FSA   — Financial Security Assurance  
COP   — Certificate of Participation   GO   — General Obligation  
FGIC   — Financial Guaranty Insurance Co.   MBIA  — Municipal Bond Insurance Assoc.  

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 principle executive and principle 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/ Henry Gabbay                                                                                                                   
Name: Henry Gabbay
Title: Treasurer and Principal Financial Officer
Date: January 25, 2006

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, 2006

By:     /s/ Henry Gabbay                                                                                                                   
Name: Henry Gabbay
Title: Treasurer and Principal Financial Officer
Date: January 25, 2006