EXHIBIT 5

Opinion of Armbrecht Jackson LLP

March 10, 2003

ENERGYSOUTH, INC.
2828 Dauphin Street
Mobile, Alabama 36606

Ladies and Gentlemen:

         Reference is made to the Registration Statement on Form S-8 of
EnergySouth, Inc. (the "Company"), filed by the Company in connection with the
registration of a total of 350,000 shares of Common Stock, par value $.01 per
share, of the Company (the "Common Stock"), to be issued in accordance with the
terms of the 2003 Stock Option Plan of EnergySouth, Inc. (the "Plan").

         On the basis of such examination of such corporate records,
certificates and other documents as we have considered necessary or appropriate
for purposes of this opinion, we advise you that upon the due authorization and
execution of the Common Stock by the Company and the receipt of payment for the
Common Stock in accordance with the provisions of the Plan, then, in our
opinion, the Common Stock will have been validly issued and will be fully paid
and nonassessable.

         We hereby consent to the filing of this opinion with the Securities and
Exchange Commission as an exhibit to the Registration Statement. In giving this
consent, we do not thereby admit that we are within the category of persons
whose consent is required under Section 7 of the Act.


                                       Very truly yours,

                                       Armbrecht Jackson LLP



                                       By   /s/ E. B. Peebles III
                                         -------------------------------------
                                            E. B. Peebles III