SECURITIES AND EXCHANGE COMMISSION
                            Washington, D.C. 20549

                                    FORM 15

 Certification and Notice of Termination of Registration under Section 12(g) of
the Securities Exchange Act of 1934 or Suspension of Duty to File Reports Under
Sections 13 and 15(d) of the Securities Exchange Act of 1934.

                                     Commission File Number    333-51633
                                                           ---------------------


                       Harborside Healthcare Corporation
           ---------------------------------------------------------
            (Exact name of registrant as specified in its charter)

                One Beacon Street, 11th Floor, Boston, MA 02108
           ---------------------------------------------------------
              (Address, including zip code, and telephone number,
                including area code, of registrant's principal
                              executive offices)

                Class A Common Stock, par value $.01 per share
           ---------------------------------------------------------
              (Title of each class of securities covered by this
                                     Form)

              11% Senior Subordinated Discount Notes Due 2008; 13
                 1/2% Exchangeable Preferred Stock Mandatorily
                                Redeemable 2010
           ---------------------------------------------------------
            (Titles of all other classes of securities for which a
               duty to file reports under section 13(a) or 15(d)
                                   remains)


     Please place an X in the box(es) to designate the appropriate rule
provision(s) relied upon to terminate or suspend the duty to file reports:

               Rule 12g-4(a)(1)(i)     []      Rule 12h-3(b)(1)(ii)     []
               Rule 12g-4(a)(1)(ii)    []      Rule 12h-3(b)(2)(i)      []
               Rule 12g-4(a)(2)(i)     []      Rule 12h-3(b)(2)(ii)     []
               Rule 12g-4(a)(2)(ii)    []      Rule 15d-6               [X]
               Rule 12h-3(b)(1)(i)     []

     Approximate number of holders of record as of the certification or notice
date:

36
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     Pursuant to the requirements of the Securities Exchange Act of 1934,
Harborside Healthcare Corporation. has caused this certification/notice to be
signed on its behalf by the undersigned duly authorized person.


     DATE:  9/16/99              BY:           /s/ William Stephan
                                      ------------------------------------------
                                      William Stephan
                                      Chief Financial Officer

Instruction: This form is required by Rules 12g-4, 12h-3 and 15d-6 of the
General Rules and Regulations under the Securities Exchange Act of 1934. The
registrant shall file with the Commission three copies of Form 15, one of which
shall be manually signed. It may be signed by an officer of the registrant, by
counsel or by any other duly authorized person. The name and title of the person
signing the form shall be typed or printed under the signature.