FORM 4 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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(Print or Type Responses)

1. Name and Address of Reporting Person * VISSER DALE J   2. Issuer Name and Ticker or Trading Symbol MERCANTILE BANK CORP [MBWM] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) __X__ Director _____ 10% Owner _____ Officer (give title below) _____ Other (specify below) (Last) (First) (Middle) VISSER BROTHERS, INC., 1946 TURNER NW 3. Date of Earliest Transaction (Month/Day/Year) 10/12/2005 (Street) GRAND RAPIDS, MI 49504 4. If Amendment, Date Original Filed(Month/Day/Year) 6. Individual or Joint/Group Filing(Check Applicable Line) _X_ Form filed by One Reporting Person ___ Form filed by More than One Reporting Person (City) (State) (Zip) Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned

1.Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price Common Stock 10/12/2005   P   5,000 A $ 38.4624 39,770.765 (1) I Trust for Family Members (2) Common Stock               5,250 (3) I By Spouse Common Stock               58,275 (4) I Trustee and a beneficiary of charitable remainder trust (5) Common Stock               141,636.849 (6) D

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Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)

1. Title of Derivative Security (Instr. 3)

2. Conversion or Exercise Price of Derivative Security

3. Transaction Date (Month/Day/Year)

3A. Deemed Execution Date, if any (Month/Day/Year)

4. Transaction Code (Instr. 8)

5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4, and 5)

6. Date Exercisable and Expiration Date (Month/Day/Year)

7. Title and Amount of Underlying Securities (Instr. 3 and 4)

8. Price of Derivative Security (Instr. 5)

9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)

10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4)

11. Nature of Indirect Beneficial Ownership (Instr. 4)

Code

V

(A)

(D)

Date Exercisable

Expiration Date

Title

Amount or Number of Shares

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
VISSER DALE J VISSER BROTHERS, INC. 1946 TURNER NW GRAND RAPIDS, MI 49504	X

Signatures

/s/ Jerome M. Schwartz Attorney-in-fact		10/17/2005
**Signature of Reporting Person		Date

Explanation of Responses:

*	If the form is filed by more than one reporting person, see Instruction 4(b)(v).
**	Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1)	Includes shares acquired pursuant to the issuers 5% stock dividend paid August 1, 2005, and shares acquired by reinvesting cash dividends under the issuer's dividend reinvestment plan.
(2)	Mr. Visser disclaims beneficial ownership of these shares.
(3)	Includes approximately 250 shares acquired pursuant to the issuer's 5% stock dividend paid August 1, 2005.
(4)	Includes approximately 2,775 shares acquired pursuant to the issuer's 5% stock dividend paid August 1, 2005.
(5)	Mr. Visser disclaims beneficial ownership of the issuer's common stock held by the trust except to the extent of his and his wife's pecuniary interest in the stock.
(6)	Includes approximately 6,744 shares acquired pursuant to the issuer's 5% stock dividend paid August 1, 2005.

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