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:__811-10501______

_______BlackRock Municipal 2018 Term 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 Municipal 2018 Term 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:___December 31, 2006
Date of reporting period:__March 31, 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
MARCH 31, 2006
(unaudited)

BlackRock Municipal 2018 Term Trust (BPK)

      Principal                
        Amount           Option Call    
    Rating1   (000)   Description       Provisions2   Value  

          LONG-TERM INVESTMENTS—152.1%            
            Alabama—2.5%            
    A2   $ 5,845   Huntsville Hlth. Care Auth. RB, Ser. A, 5.625%, 6/01/22       06/12 @ 101   $     6,173,547  

            California—9.6%            
    A   1,750   Agua Caliente Band of Cahuilla Indians RB, 5.60%, 7/01/13       No Opt. Call   1,805,072  
    AAA   5,425   Clovis Unified Sch. Dist., Cap. Apprec. Election 2004 GO, Ser. A, Zero Coupon, 8/01/21, FGIC       No Opt. Call   2,702,518  
    NR   1,235   Lincoln ST, Cmny. Facs. Dist. 1, 5.90%, 9/01/24       09/13 @ 102   1,305,877  
    BBB+   5,000   Poll. Ctrl. Fin. Auth. Sld. Wst. Disp. RB, Republic Svcs., Inc. Proj., Ser. C, 5.25%, 6/01/23       No Opt. Call   5,248,900  
            Poll. Ctrl. Sld. Wst. Mgmt. RB,            
    BBB   6,000       Ser. A, 5.125%, 7/01/31       03/06 @ 100   6,226,560  
    BBB   6,500       Ser. C, 5.125%, 11/01/23       11/15 @ 101   6,685,640  

                        23,974,567  

            Colorado—4.2%            
    BBB   5,000   Hsg. & Fin. Auth. Sld. Wst. RB, Wst. Mgmt. Proj., 5.70%, 7/01/18       No Opt. Call   5,369,250  
    Baa2   5,010   Park Creek Met. Dist. Sr. Ltd. Ppty. Tax RB, 5.25%, 12/01/20       12/15 @ 101   5,178,486  

                        10,547,736  

            Connecticut—1.6%            
    Baa3   3,750 3    Mashantucket Western Pequot Tribe Spec. RB, Ser. B, 5.75%, 9/01/18       09/07 @ 102   3,892,838  

            Florida—11.1%            
    NR   670   Baywinds Cmnty. Dev. Dist., Ser. B, 4.90%, 5/01/12       No Opt. Call   670,000  
    Baa2   1,585 4 Cap. Trust Agcy. Multi-Fam. Hsg. RB, American Oppty. Proj., Ser. A, 5.75%, 6/01/23       N/A   1,525,658  
    NR   2,000   CFM Cmnty. Dev. Dist. Cap. Impvt. RB, Ser. B, 5.875%, 5/01/14       No Opt. Call   2,039,340  
            Live Oak Cmnty. Dev. Dist. SA,            
    NR   1,860       No. 1, Ser. B, 5.00%, 11/01/09       No Opt. Call   1,851,407  
    NR5   90       No. 2, Ser. B, 5.30%, 5/01/08       No Opt. Call   89,891  
    BB+   4,515   Miami Beach Hlth. Facs. Auth. RB, Mt. Sinai Med. Ctr. Proj., 6.75%, 11/15/21       11/14 @ 100   5,040,726  
    NR   1,595   Pine Islands Cmnty. Dev. Dist. Util. Sys. RB, 5.30%, 11/01/10       No Opt. Call   1,579,465  
    NR   3,920   Stevens Plantation Cmnty. Dist. SA, Ser. B, 6.375%, 5/01/13       No Opt. Call   3,988,482  
    NR   840   Sumter Landing Cmnty. Dev. Dist. SA, 6.25%, 5/01/13       No Opt. Call   841,672  
    NR5   5,410   Vlg. Ctr. Cmnty. Dev. Dist. RB, Ser. B, 5.875%, 1/01/15       No Opt. Call   5,552,229  
    NR   3,130   Vlg. of Westport Cmnty. Dev. Dist. Cap. Impvt. RB, Ser. A, 5.40%, 5/01/20       05/13 @ 100   3,100,734  
    NR   1,450   Westchester Cmnty. Dev. Dist. No. 1 SA, 6.00%, 5/01/23       05/13 @ 101   1,500,895  

                        27,780,499  

            Illinois—24.4%            
    NR   1,825 3 Centerpoint Intermodal Ctr. Prog. Trust TA, Ser. A, 8.00%, 6/15/23       No Opt. Call   1,830,274  
            Chicago O’Hare Intl. Arpt. RB,            
    AAA   5,000       Ser. A, 5.00%, 1/01/19, AMBAC       01/16 @ 100   5,251,400  
    AAA   8,000       Ser. A, 5.00%, 1/01/20, AMBAC       01/16 @ 100   8,382,800  
    AAA   5,000       Ser. A, 5.75%, 1/01/18, MBIA       01/12 @ 100   5,359,600  
    A2   12,500 4 Dev. Fin. Auth. Adventist Hlth. Sys. RB, Sunbelt Oblig. Proj., 5.50%, 11/15/09       N/A   13,319,250  
    BBB   5,980   Edl. Facs. Auth. Student Hsg. Edl. Adv. Fund RB, Univ. Ctr. Proj., 6.00%, 5/01/22       05/12 @ 101   6,400,095  
    Baa2   2,750   Fin. Auth. Student Hsg. RB, MJH Ed. Asst. Living Proj., Ser. A, 5.50%, 6/01/19       06/14 @ 100   2,867,810  
    A   5,000   Hlth. Facs. Auth. RB, Elmhurst Mem. Hlth. Care Proj., 5.50%, 1/01/22       01/13 @ 100   5,219,550  
    AAA   13,375 4 Kane & Du Page Cntys. Sch. Dist. GO, Ser. B, Zero Coupon, 1/01/12, FSA       N/A   7,009,855  
            Sports Facs. Auth. RB,     
    AAA   1,885       Zero coupon, 6/15/19, AMBAC       06/15 @ 101   1,649,922  
    AAA   1,985       Zero coupon, 6/15/20, AMBAC       06/15 @ 101   1,736,954  
    AAA   2,090       Zero coupon, 6/15/21, AMBAC       06/15 @ 101   1,828,311  

                        60,855,821  

            Indiana—10.4%            
    AA   13,970   Hlth. Fac. Fin. Auth. RB, Sisters of St. Francis Proj., 5.75%, 11/01/21       11/11 @ 101   14,937,842  
    BBB   2,500   Indianapolis Arpt. Auth. RB, FedEx Corp. Proj., 5.10%, 1/15/17       No Opt. Call   2,579,350  
    BBB+   4,000   Petersburg PCRB, Pwr. & Lt. Conv. Proj., 5.75%, 8/01/21       08/11 @ 102   4,232,360  
    NR   4,350   Vincennes Econ. Dev. RB, Southwest Indiana Regl. Youth Proj., 6.25%, 1/01/24       01/09 @ 102   4,288,143  

                        26,037,695  

1


BlackRock Municipal 2018 Term Trust (BPK) (continued)

      Principal                
        Amount           Option Call    
    Rating1   (000)   Description       Provisions2   Value  

          Louisiana—1.5%            
    AAA   $ 3,445   Pub. Facs. Auth. Dept. of Pub. Safety RB, 5.875%, 6/15/14, MBIA       06/10 @ 100   $     3,650,977  

            Maryland—2.1%            
    NR   5,170   Frederick Cnty. ST, Urbana Cmnty. Dev. Auth. Proj., Ser. A, 5.80%, 7/01/20       07/07 @ 102   5,234,780  

            Michigan—3.0%            
    A1   5,450   Hosp. Fin. Auth. RB, Henry Ford Hlth. Sys. Proj., Ser. A, 6.00%, 11/15/19       11/09 @ 101   5,778,853  
    A   700   Pontiac Tax Increment Fin. Auth. Dev. Area 2 RB, 5.625%, 6/01/22, ACA       06/12 @ 101   740,656  
    A   1,000   Pontiac Tax Increment Fin. Auth. Dev. Area 3 RB, 5.375%, 6/01/17, ACA       06/12 @ 101   1,047,360  

                        7,566,869  

            Mississippi—4.3%            
    BBB   9,000   Lowndes Cnty. Sld. Wst. Disp. PCRB, Weyerhaeuser Co. Proj., Ser. A, 6.80%, 4/01/22       No Opt. Call   10,702,710  

            Multi-State—10.3%            
    A3   14,000 3    Charter Mac Equity Issuer Trust, Ser. A-3, 6.80%, 10/01/52 161239AF5       10/14 @ 100   15,707,720  
            Munimae TE Bond Subsidiary LLC,            
    Baa1   6,000 3     Ser. B2, 5.20%, 6/30/49       09/14 @ 100   6,078,000  
    Baa3   4,000 3     Ser. D, 5.90%, 11/29/49       09/15 @ 101   3,999,960  

                        25,785,680  

            Nevada—2.6%            
    BBB+   5,000   Dept. of Bus. & Ind. RB, Republic Svc. Inc. Proj., 5.625%, 12/01/26       No Opt. Call   5,380,050  
    NR   1,100   Las Vegas Spec. Imp. Dist. 809 RB, Summerlin Area Proj., 5.35%, 6/01/17       06/06 @ 103   1,111,242  

                        6,491,292  

            New Hampshire—3.9%            
    AAA   7,000   Bus. Fin. Auth. PCRB, Pub. Svc. Co. Proj., Ser. C, 5.45%, 5/01/21, MBIA       05/12 @ 101   7,585,410  
    A+   2,025   Hlth. & Ed. Facs. Auth. RB, Exeter Hosp. Proj., 6.00%, 10/01/24       10/11 @ 101   2,212,940  

                        9,798,350  

            New Jersey—12.5%            
            Econ. Dev. Auth.,            
    BBB   8,500       RB, Cigarette Tax Proj., 5.50%, 6/15/24       06/12 @ 100   8,869,070  
    B   4,065       RB, Continental Airlines, Inc. Proj., 7.00%, 11/15/30       11/10 @ 101   4,073,089  
    B   6,750       RB, Continental Airlines, Inc. Proj., 7.20%, 11/15/30       11/10 @ 101   6,825,330  
    Baa3   8,410       SA, Kapkowski Rd. Landfill Proj., 5.50%, 4/01/16       No Opt. Call   8,902,910  
    NR   2,500   Middlesex Cnty. Impvt. Auth. RB, Heldrich Ctr. Hotel Proj., Ser. B, 6.125%, 1/01/25       01/15 @ 100   2,432,050  

                        31,102,449  

            New York—7.9%            
    A+   7,500   City of New York GO, 5.00%, 9/01/18       09/15 @ 100   7,866,825  
    B-   3,460   New York City Indl. Dev. Agcy. RB, American Airlines, JFK Intl. Arpt., 7.625%, 8/01/25       08/16 @ 101   3,802,125  
    AA-   7,500   Tobacco Settlement Fin. Corp. SA, Ser. B1, 5.50%, 6/01/20       No Opt. Call   8,091,975  

                        19,760,925  

            North Carolina—1.7%            
    A-   4,000   Wake Cnty. Ind. Facs. PCRB, Carolina Pwr. & Lt. Co. Proj., 5.375%, 2/01/17       02/12 @ 101   4,210,240  

            Ohio—0.2%            
    NR   500   Pinnacle Cmnty. Infrastructure Fin. Auth. Facs. RB, Ser. A, 6.00%, 12/01/22       12/14 @ 101   516,105  

            Oklahoma—1.2%            
    B-   2,700   Tulsa Mun. Arpt. Trust RB, Ser. A, 7.75%, 6/01/35       No Opt. Call   2,956,743  

            Pennsylvania—7.3%            
    NR   2,000   Montgomery Cnty. Indl. Dev. Auth. RB, Whitemarsh Continuing Care Proj., 6.00%, 2/01/21       02/15 @ 100   2,108,340  
            Philadelphia Auth. for Ind. Dev. RB,            
    AAA   5,000       Ser. B, 5.50%, 10/01/18, FSA       10/11 @ 101   5,340,250  
    AAA   5,000       Ser. B, 5.50%, 10/01/19, FSA       10/11 @ 101   5,330,150  
            West Cornwall Twnshp. Mun. Auth. Coll. RB, Elizabethtown Coll. Proj.,            
    BBB+   2,500 4     5.90%, 12/15/18       N/A   2,675,200  
    BBB+   2,650       6.00%, 12/15/22       12/11 @ 100   2,859,933  

                        18,313,873  

            South Carolina—3.4%            
    BBB+   5,000   Jobs Econ. Dev. Auth. Hosp. Fac. RB, Palmetto Hlth. Alliance Proj., Ser. A, 6.125%, 8/01/23       08/13 @ 100   5,366,300  
    NR   3,023   Lancaster Cnty. RB, Edgewater Imp. Dist. Proj., Ser. B, 6.125%, 11/01/14       No Opt. Call   3,000,358  

                        8,366,658  

2


BlackRock Municipal 2018 Term Trust (BPK) (continued)

      Principal                
        Amount           Option Call    
    Rating1   (000)   Description       Provisions2   Value  

          Tennessee—2.5%            
    AAA   $12,000   Knox Cnty. Hlth. Edl. & Hsg. Facs. Brd. Hosp. Facs. RB, Ser. A, Zero Coupon, 1/01/19, FSA       01/13 @ 71.667   $     6,121,080  

            Texas—11.2%            
    BBB   2,000   Alliance Arpt. Auth. RB, FedEx Corp. Proj., 6.375%, 4/01/21       05/06 @ 102   2,058,520  
            Birdville Indpt. Sch. Dist. GO,            
    AAA   1,615       Zero Coupon, 2/15/18       No Opt. Call   942,772  
    AAA   1,815       Zero Coupon, 2/15/19       No Opt. Call   1,008,704  
    AAA   2,625       Zero Coupon, 2/15/20       No Opt. Call   1,388,074  
    AAA   2,500       Zero Coupon, 2/15/21       No Opt. Call   1,255,275  
    BBB   10,010   Brazos River Auth. PCRB, TXU Elec. Co. Proj., Ser. C, 5.75%, 5/01/36       No Opt. Call   10,651,541  
            Dallas Ft. Worth Intl. Arpt. Fac. Impvt. RB,            
    AAA   5,000       Ser. A, 5.875%, 11/01/17, FGIC       11/11 @ 100   5,376,100  
    AAA   5,000       Ser. A, 5.875%, 11/01/18, FGIC       11/11 @ 100   5,368,400  

                        28,049,386  

            Trust Territories—1.6%            
    A   4,000 3    San Manuel Entertainment Auth., 2004 Gaming Proj., Ser. C, 4.50%, 12/01/16       12/13 @ 102   3,936,520  

            Washington—4.7%            
            Energy Northwest Wind Proj. RB,            
    A-   5,000 4     Ser. A, 6.00%, 1/01/07       N/A   5,228,700  
    A-   6,175 4     Ser. B, 5.875%, 1/01/07       N/A   6,451,887  

                        11,680,587  

            Wisconsin—6.4%            
            Hlth. & Edl. Facs. Auth. RB,            
    AA-   5,000       Froedert & Cmnty. Hlth. Oblig. Proj., 5.375%, 10/01/21       10/11 @ 101   5,175,550  
    A   10,000       Wheaton Franciscan Svcs. Proj., 6.25%, 8/15/22       02/12 @ 101   10,872,200  

                        16,047,750  

            Total Long-Term Investments (cost $360,382,042)           379,555,677  

       
Shares
               
       
(000)
               

            MONEY MARKET FUND—0.6%              
    NR   1,600   AIM Tax Free Investment Co. Cash Reserve Portfolio (cost $1,600,000)       N/A   1,600,000  

            Total Investments—152.7% (cost $361,982,0426)           $ 381,155,677  
            Other assets in excess of liabilities—2.4%           6,052,767  
            Preferred shares at redemption value, including dividends payable—(55.1)%           (137,618,093)  

            Net Assets Applicable to Common Shareholders—100%           $ 249,590,351  


1   Using the higher 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   Security is not registered under the Securities Act of 1933. These securities may be resold in transactions in accordance with Rule 144A under that Act, to qualified institutional buyers. As of March 31, 2006, the Trust held 14.2% of its net assets, with a current market value of $35,445,312, in securities restricted as to resale.  
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 income tax purposes is $361,895,763. The net unrealized appreciation on a tax basis is $19,259,914, consisting of $19,615,504 gross unrealized appreciation and $355,590 gross unrealized depreciation. 

KEY TO ABBREVIATIONS

ACA     American Capital Access   MBIA     Municipal Bond Insurance Assoc.  
AMBAC     American Municipal Bond Assurance Corp.   PCRB     Pollution Control Revenue Bond  
FGIC     Financial Guaranty Insurance Co.   RB     Revenue Bond  
FSA     Financial Security Assurance   SA     Special Assesment  
GO     General Obligation   ST     Special Tax  
            TA     Tax Allocation ax allocation>
 

3


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 Municipal 2018 Term Trust___

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

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