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

                                    FORM 8-A

                FOR REGISTRATION OF CERTAIN CLASSES OF SECURITIES
                     PURSUANT TO SECTION 12(b) OR (g) OF THE
                         SECURITIES EXCHANGE ACT OF 1934

                                   EUROSEAS LTD.
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                 (Exact name of Issuer as specified in its charter)


                                           
     REPUBLIC OF THE MARSHALL ISLANDS                         N/A
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 (State of incorporation or organization)     (IRS Employer Identification No.)

            Aethrion Center
            40 Ag. Konstantinou Street
            151 24 Maroussi, Greece
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 (Address of principal executive offices)                 (Zip Code)


If this form relates to the registration of a class of securities pursuant to
Section 12(b) of the Exchange Act and is effective upon filing pursuant to
General Instruction A.(c) please check the following box. [ ]

If this form relates to the registration of a class of securities pursuant to
Section 12(g) of the Exchange Act and is effective upon filing pursuant to
General Instruction A.(d), please check the following box. [X]

Securities Act registration statements file numbers to which this form relates:
NO. 333-129144 AND NO. 333-129145 (if applicable)

Securities to be registered pursuant to Section 12(b) of the Act:


                                          
           Title of each class                   Name of each exchange on which
           to be so registered                   each class if to be registered
------------------------------------------   ----------------------------------------
                  NONE                                        NONE


Securities to be registered pursuant to Section 12(g) of the Act:

                      COMMON STOCK, PAR VALUE $0.01 PER SHARE
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                                  (Title of class)



                 INFORMATION REQUIRED IN REGISTRATION STATEMENT

ITEM 1. DESCRIPTION OF REGISTRANTS SECURITIES TO BE REGISTERED.

The class of securities to be registered hereunder is Common Stock, $0.01 par
value per share, of Euroseas Ltd. (the "Registrant"). The descriptions of
capital stock set forth under the caption "Description of Euroseas Securities"
in the Prospectus included in the Registrant's Registration Statement on Form
F-1 (No. 333-129145) and the Prospectus included in the Registrant's
Registration Statement on Form F-4 (No. 333-129144), each as filed with the
Securities and Exchange Commission on October 20, 2005 and amended on December
5, 2005, January 19, 2006, February 1, 2006 and February 3, 2006 (as amended,
the "Registration Statements"), is incorporated herein by reference.

ITEM 2. EXHIBITS.

The following exhibits to this Form 8-A have been previously filed as exhibits
to the Registrant's Registration Statements and are hereby incorporated by
reference herein:

      3.1   Articles of Incorporation of the Registrant

      3.2   Bylaws of the Registrant

      4.1   Specimen of Common Stock Certificate of the Registrant

      4.2   Form of Securities Purchase Agreement

      4.3   Form of Registration Rights Agreement

      4.4   Form of Warrant

      4.5   Registration Rights Agreement between the Registrant and Friends
            Investment Company Inc., dated November 2, 2005



                                    SIGNATURE

      Pursuant to the requirements of Section 12 of the Securities Exchange Act
of 1934, the registrant has duly caused this registration statement to be signed
on its behalf by the undersigned, thereto duly authorized.


Dated:  February 3, 2006          EUROSEAS LTD.

                                  By:  /s/ Aristides J. Pittas
                                       -----------------------
                                  Name:  Aristides J. Pittas
                                  Title: President