WITTER DEAN HAWAII MUNICIPAL TRUST
497, 1997-07-30
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                                                Filed Pursuant to Rule 497
                                                Registration File No.: 33-58175


                      SUPPLEMENT TO THE PROSPECTUSES OF 
          DEAN WITTER HAWAII MUNICIPAL TRUST DATED JANUARY 31, 1997 
    DEAN WITTER MULTI-STATE MUNICIPAL SERIES TRUST DATED FEBRUARY 28, 1997 

   On July 28, 1997, certain other open-end investment companies 
("Multi-Class Funds") to which Dean Witter InterCapital Inc. serves as 
investment manager began offering their shares in four classes (each, a 
"Class"), each with a different combination of sales charges, ongoing fees 
and other features. Each of the Funds listed above (each, a "Fund" and 
collectively, the "Funds") will continue to offer one class of shares. In 
order to reflect implementation of this multiple class distribution system, 
the Prospectus of each Fund is revised as follows: 

   Combined Purchase Privilege. Under the section "Purchase of Fund 
Shares--Reduced Sales Charges," the paragraph describing the Combined 
Purchase Privilege is restated as follows: 

     Combined Purchase Privilege. Investors may have the benefit of reduced 
    sales charges in accordance with the above schedule by combining purchases 
    of all shares of the Fund in single transactions with the purchase of 
    Class A shares of any of the open-end investment companies to which 
    InterCapital serves as investment manager ("Dean Witter Funds") that are 
    multiple class funds ("Dean Witter Multi-Class Funds") and shares of other 
    Dean Witter Funds sold with a front-end sales charge ("FESC Funds"). The 
    sales charge payable on the purchase of shares of the Fund, the Class A 
    shares of the Dean Witter Multi-Class Funds and the shares of the other 
    FESC Funds will be at their respective rates applicable to the total 
    amount of the combined concurrent purchases of such shares. 

   Right of Accumulation. Under the section "Purchase of Fund Shares--Reduced 
Sales Charges," the first paragraph describing the Right of Accumulation 
applicable to purchases of the Fund's shares is restated as follows: 

     Right of Accumulation. The above persons and entities may also benefit 
    from a reduction of the sales charges in accordance with the above 
    schedule if the cumulative net asset value of all shares of the Fund 
    purchased in a single transaction, together with shares of the Fund and 
    other Dean Witter Funds previously purchased at a price including a 
    front-end sales charge (including shares acquired in exchange for those 
    shares, and including in each case shares acquired through reinvestment of 
    dividends and distributions) which are held at the time of such 
    transaction, amounts to $25,000 or more. 

   Letter of Intent. Under the section "Purchase of Fund Shares--Reduced 
Sales Charges," the paragraph describing a Letter of Intent is restated as 
follows: 

     Letter of Intent. The foregoing schedule of reduced sales charges will 
    also be available to investors who enter into a written Letter of Intent 
    providing for the purchase, within a thirteen-month period, of all shares 
    of the Fund from DWR or other Selected Broker-Dealers. The cost of shares 
    of the Fund or shares of any other Dean Witter Funds which were previously 
    purchased at a price including a front-end sales charge during the 90-day 
    period prior to the date of receipt by the Distributor of the Letter of 
    Intent, or shares of the Fund or other Dean Witter Funds acquired in 
    exchange for shares of such funds purchased during such period at a price 
    including a front-end sales charge, which are still owned by the 
    shareholder, may also be included in determining the applicable reduction. 

   Exchange Privilege. Shares of the Funds may no longer be exchanged for 
shares of CDSC funds. Under the section "Shareholder Services--Exchange 
Privilege" the term "FESC funds" is amended to mean Dean Witter Hawaii 
Municipal Trust, Dean Witter Multi-State Municipal Series Trust and Class A 
of the Multi-Class Funds. 

   In addition, the following sentence is added to the end of the second 
paragraph of the same section: 

   However, shares of the Fund acquired in exchange for Class A shares of a 
   Dean Witter Multi-Class Fund are subject to the CDSC applicable to the 
   Class A shares of the Multi-Class Fund, if any, upon redemption of the 
   Fund's shares. 

July 28, 1997 









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