UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549

                                    Form 13F


                              Form 13F COVER PAGE

Report for the Calendar Year or Quarter Ended:  June 30, 2008

Check here if Amendment [ ]; Amendment Number:
This Amendment (Check only one.):  [ ] is a restatement
                                   [ ] adds new holdings entries.
Institutional Investment Manager Filing this Report:
Name:     Macatawa Bank Corporation
Address:  10753 Macatawa Drive
          Holland, MI 49424



Form 13F File Number:  28-13033

The institutional  investment  manager filing this report and the person by whom
it is signed hereby  represent  that the person signing the report is authorized
to  submit  it,  that all  information  contained  herein is true,  correct  and
complete,  and  that it is  understood  that  all  required  items,  statements,
schedules, lists, and tables, are considered integral parts of this form.

Person Signing this Report on Behalf of the Reporting Manager:

Name:     Nadine Terpstra
Title:    Vice President-Trust Operations Manager
Phone:    616-233-3311

Signature, Place, and Date of Signing:


/s/ Nadine Terpstra                  Holland, MI                8/14/2008
[Signature]                         [City, State]                [Date]
Nadine Terpstra

Report Type (Check only one.):


[X]  13F HOLDINGS REPORT.  (Check here if all holdings of this reporting
     manager are reported in this report.)

[ ]  13F NOTICE.  (Check here if no holdings reported are in this report,
     and all holdings are reported by other reporting manager(s).)

[ ]  13F COMBINATION REPORT.  (Check here if a portion of the holdings for
     this reporting manager are reported in this report and a portion are
     reported by other reporting manager(s).)




                             FORM 13F SUMMARY PAGE

Report Summary:

Number of Other Included Managers:              1

Form 13F Information Table Entry Total:        88

Form 13F Information Table Value Total:  $128,978
                                        (thousands)


List of Other Included Managers:


Provide  a  numbered  list of the  name(s)  and Form 13F file  number(s)  of all
institutional  investment  managers  with respect to which this report is filed,
other than the manager filing this report.

No.  Form 13F File #     Name
01   Not yet known       Macatawa Bank


                                    FORM 13F INFORMATION TABLE



                                                                                                             Voting Authority
                                                                                                             ----------------
                                 Title of                Value     Shares/   Sh/  Put/  Invstmt   Other
Name of Issuer                    class     CUSIP      (x$1000)    Prn Amt   Prn  Call  Dscretn  Managers  Sole    Shared     None
-----------------------------   ---------   -----      --------    -------   ---  ---   -------  --------  ----    ------     ----
                                                                                           

ADOBE SYSTEMS DEL                   COM   00724F101       1705       43289   SH         DEFINED     01     24390             18899
ADR VEOLIA ENVIRONNEMENT SA         FOR   92334N103        272        4875   SH         DEFINED     01      4030               845
ALLSCRIPTS HLTHCAR SOL COM          COM   01988P108       1101       88725   SH         DEFINED     01     49425             39300
ALTRIA GROUP INC COM                COM   02209S103        212       10304   SH         DEFINED     01     10304
AMERICAN CAPITAL STRATEGIES
   LTD COM                          COM    24937104        402       16900   SH         DEFINED     01     16900
APPLE COMPUTER INC COM              COM    37833100        772        4608   SH         DEFINED     01      2386              2222
AT&T INC.                           COM   00206R102       2233       66273   SH         DEFINED     01     48068             18205
AUTODESK INC.                       COM    52769106       1294       38271   SH         DEFINED     01     21690             16581
BANK OF AMERICA CORP NEW COM        COM    60505104       1379       57782   SH         DEFINED     01     43144             14638
BANK OF FLORIDA CORP COM            COM    62128103        189       26000   SH         DEFINED     01                       26000
BANNER CORPORATION COM              COM   06652V109         89       10000   SH         DEFINED     01     10000
BB&T CORP                           COM    54937107        207        9100   SH         DEFINED     01      9100
BERKSHIRE HATHAWAY INC CL B         COM    84670207        329          82   SH         DEFINED     01        82
BLACKROCK INC COMMON STOCK          COM   09247X101        283        1600   SH         DEFINED     01      1600
BP AMOCO PLC SPONSORED ADR          FOR    55622104        766       11017   SH         DEFINED     01     11017
BRISTOL MYERS SQUIBB CO             COM   110122108        301       14684   SH         DEFINED     01     14684
CASCADE BANCORP INC COM             COM   147154108        119       15400   SH         DEFINED     01     15400
CISCO SYSTEMS INC.                  COM   17275R102       3441      147935   SH         DEFINED     01     86757             61178
CITIGROUP INC                       COM   172967101        234       13964   SH         DEFINED     01     13964
CITIZENS COMMUNICATIONS CO INC      COM   17453B101        155       13650   SH         DEFINED     01     13650
CME GROUP INC COM                   COM   12572Q105        387        1010   SH         DEFINED     01      1010
COACH INC COM                       COM   189754104        992       34357   SH         DEFINED     01     21032             13325
COBIZ INC COM                       COM   190897108        132       20000   SH         DEFINED     01     20000
COGNIZANT TECH SOLUTNS CL A         COM   192446102       1995       61375   SH         DEFINED     01     34260             27115
COOPERATIVE BANKSHARES INC COM      COM   216844100        172       25000   SH         DEFINED     01     25000
CRESCENT FINANCIAL CORP COM         COM   225744101        220       38250   SH         DEFINED     01     38250
DANAHER CORP                        COM   235851102       1266       16380   SH         DEFINED     01     15180              1200
DANAHER CORP DEL COM                COM   235851102        642        8310   SH         DEFINED     01       200              8110
DEARBORN BANCORP INC CAP            COM   24242R108        152       31311   SH         DEFINED     01     31311
DEUTSCHE TELEKOM AG SPONSORED ADR   FOR   251566105        263       16050   SH         DEFINED     01     16050
DUKE ENERGY CORP NEW COM            COM   26441C105        180       10334   SH         DEFINED     01     10334
ENERGY CONVERSN DEVICE COM          COM   292659109        380        5160   SH         DEFINED     01                        5160
ENI SPA ADR                         FOR   26874R108        349        4700   SH         DEFINED     01      4700
ENTERPRISE FINANCIAL SERVICES COM   COM   293712105        320       17000   SH         DEFINED     01     17000
EXXON MOBIL CORP COM                COM   30231G102       4780    54245.09   SH         DEFINED     01     39740          14505.09
FIRSTBANK CORP                      COM   33761G104        131       14586   SH         DEFINED     01     14586
FISERV INC.                         COM   337738108       3162       69696   SH         DEFINED     01     45864             23832
GATEWAY FINANCIAL HOLDING INC COM   COM   368140109        285       37000   SH         DEFINED     01     37000
GENERAL ELECTRIC                    COM   369604104       2588       96983   SH         DEFINED     01     70353             26630
GENTEX CORP                         COM   371901109        283       19620   SH         DEFINED     01     18120              1500
GOOGLE INC CL A                     COM   38259P508       1498        2846   SH         DEFINED     01      1425              1421
HEARTLAND PAYMENT SYSTEM INC COM    COM   42235N108        354       15000   SH         DEFINED     01     15000
HUNTINGTON BANCSHARES INC           COM   446150104       1227      212615   SH         DEFINED     01    212371               244
INTERCONTINENTALEXCHANGE INC        COM   45865V100        388        3400   SH         DEFINED     01      3400
INTUITIVE SURGICAL INC COM NEW      COM   46120E602       1303        4839   SH         DEFINED     01      2009              2830
JOHNSON & JOHNSON COM               COM   478160104       3106       48273   SH         DEFINED     01     32153             16120
KIMBERLY CLARK                      COM   494368103        275        4600   SH         DEFINED     01      4600
LAKELAND FINL CORP COM              COM   511656100        391       20500   SH         DEFINED     01     20500
LOWES COS INC COM                   COM   548661107       1706       82254   SH         DEFINED     01     53434             28820
MACATAWA BANK CORPORATION           COM   554225102      12659     1582353   SH         DEFINED     01    893651           688701.9
MB FINANCIAL INC NEW COM            COM   55264U108        344       15300   SH         DEFINED     01     15300
METAVANTE HOLDING CO COM            COM   591407101        309       13666   SH         DEFINED     01     13666
MONSANTO CO NEW COM                 COM   61166W101      15069      119182   SH         DEFINED     01    119182
MORNINGSTAR INC COM                 COM   617700109       2359       32754   SH         DEFINED     01     23974              8780
NATIONAL CITY CORP                  COM   635405103        112       23551   SH         DEFINED     01     23551
PACIFIC CONTIENTAL CORP             COM   69412V108        165       15000   SH         DEFINED     01     15000
PEPSICO INC COM                     COM   713448108       1998       31420   SH         DEFINED     01     20120             11300
PFIZER INC                          COM   717081103      11131      637143   SH         DEFINED     01    637143
PHILIP MORRIS INTERNATIONAL INC     COM   718172109        484        9804   SH         DEFINED     01      9804
PINNACLE FINANCIAL PARTNERS INC     COM   72346Q104        428       21300   SH         DEFINED     01     21300
POWERSHARES ETF TRUST DYN BIOT      COM   73935X856        576       33525   SH         DEFINED     01       500             33025
POWERSHARES ETF TRUST DYN BIOT      COM   73935X856       1435       83497   SH         DEFINED     01     45707             37790
PREMIERWEST BANCORP COM             COM   740921101        158       27000   SH         DEFINED     01     27000
PRIVATE BANCORP INC COM             COM   742962103        234        7700   SH         DEFINED     01      7700
PROCTER & GAMBLE CO COM             COM   742718109       2000       32887   SH         DEFINED     01     21127             11760
PULASKI FINANCIAL CORP COM          COM   745548107        390       41000   SH         DEFINED     01     41000
REYNOLDS AMERICAN INC COM           COM   761713106        295        6330   SH         DEFINED     01      6330
RIVERVIEW BANCORP INC COM           COM   769397100        227       30600   SH         DEFINED     01     30600
SCHLUMBERGER LTD COM                COM   806857108       3531       32868   SH         DEFINED     01     20673             12195
SEI INVTS CO                        COM   784117103       1295       55055   SH         DEFINED     01     50820              4235
SIERRA BANCORP COM                  COM   82620P102        198       12000   SH         DEFINED     01     12000
STATE STREET CORP                   COM   857477103        403        6300   SH         DEFINED     01      6300
STERICYCLE INC COM                  COM   858912108       2549       49302   SH         DEFINED     01     31682             17620
STRYKER CORP COM                    COM   863667101       9751      155081   SH         DEFINED     01    140404             14677
T ROWE PRICE GROUP INC COM          COM   74144T108        485        8600   SH         DEFINED     01      3790              4810
TEVA PHARMACEUTICAL INDS LTD ADR    FOR   881624209       3437       75035   SH         DEFINED     01     46590             28445
TEXTRON INC COM                     COM   883203101        572       11950   SH         DEFINED     01      5420              6530
TOWER FINANCIAL                     COM   891769101        648       95940   SH         DEFINED     01     64849             31091
UNITED TECHNOLOGIES CP COM          COM   913017109        672       10893   SH         DEFINED     01      5783              5110
US BANCORP DEL COM NEW              COM   902973304        370       13274   SH         DEFINED     01     13274
VANGUARD INDEX FDS MID CAP VIP      ETF   922908629       2444       34981   SH         DEFINED     01     23007             11974
VEOLIA ENVIRONNEMENT SPONSORED      COM   92334N103        267        4775   SH         DEFINED     01                        4775
VERIZON COMMUNICATIONS INC          COM   92343V104        363    10254.01   SH         DEFINED     01  10254.01
WALGREEN COMPANY                    COM   931422109       2135       65664   SH         DEFINED     01     40299             25365
WASTE MANAGEMENT INC                COM   94106L109        572       15170   SH         DEFINED     01     15170
WELLS FARGO & CO NEW COM            COM   949746101       2283       96158   SH         DEFINED     01     64097             32061
WINDSTREAM CORPORATION COM          COM   97381W104        260       21038   SH         DEFINED     01     21038
XTO ENERGY INC COM                  COM   98385X106       1960       28619   SH         DEFINED     01     16958             11661




REPORT SUMMARY                     88  DATA RECORDS     128,978               1    OTHER MANAGERS ON WHOSE BEHALF REPORT IS FILED