Indicate by check mark whether the registrant files or will file annual reports under cover of Form 20-F or Form 40-F.
Form 20-F [ x ]      Form 40-F [  ]

Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(1):       

Note: Regulation S-T Rule 101(b)(1) only permits the submission in paper of a Form 6-K if submitted solely to provide an attached annual report to security holders.

Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(7):       

Note: Regulation S-T Rule 101(b)(7) only permits the submission in paper of a Form 6-K if submitted to furnish a report or other document that the registrant foreign private issuer must furnish and make public under the laws of the jurisdiction in which the registrant is incorporated, domiciled or legally organized (the registrant's "home country"), or under the rules of the home country exchange on which the registrant's securities are traded, as long as the report or other document is not a press release, is not required to be and has not been distributed to the registrant's security holders, and, if discussing a material event, has already been the subject of a Form 6-K submission or other Commission filing on EDGAR.

On August 7, 2014 the Registrant issued a press release, a copy of which is attached hereto as Exhibit 99.1 and is incorporated herein by reference.


(c)     Exhibit 99.1. Press release dated August 7, 2014

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

EXHIBIT 99.1

Ultrapetrol Announces Release Date for Second Quarter 2014 Financial Results and Hosting of Conference Call

NASSAU, Bahamas, Aug. 7, 2014 (GLOBE NEWSWIRE) -- Ultrapetrol (Bahamas) Limited (Nasdaq:ULTR), an industrial transportation company serving marine transportation needs in three markets (River Business, Offshore Supply Business, and Ocean Business), announced today that it will release its second quarter 2014 financial results on Thursday, August 14, 2014, after the market closes. Ultrapetrol will also host a related conference call on Friday, August 15, 2014, at 10:00 a.m. Eastern Time, accessible via telephone and Internet with an accompanying slide presentation.

On the call, Mr. Felipe Menendez Ross, President and Chief Executive Officer, and Ms. Cecilia Yad, Chief Financial Officer, will discuss Ultrapetrol's results and the outlook for its three core businesses. There also will be a question and answer session. The call is expected to last approximately one hour and an audio webcast and slide presentation will be available on the Investor Relations section of Ultrapetrol's Web site at www.ultrapetrol.net.

Investors and analysts may participate in the live conference call by dialing 1-888-790-1866 (toll-free U.S.) or +1-630-395-0176 (outside of the U.S.); passcode: ULTR. Please register at least 10 minutes before the conference call begins. A replay of the call will be available for one week via telephone starting approximately one hour after the call ends. The replay can be accessed at 1-800-884-1530 (toll-free U.S.) or +1-402-220-3007 (outside of the U.S.); passcode: 81514. The webcast will be archived on Ultrapetrol's Web site for 30 days after the call.

About Ultrapetrol

Ultrapetrol is an industrial transportation company serving the marine transportation needs of its clients in the markets on which it focuses. It serves the shipping markets for containers, grain and soy bean products, forest products, minerals, crude oil, petroleum, and refined petroleum products, as well as the offshore oil platform supply market with its extensive and diverse fleet of vessels. These include river barges and pushboats, platform supply vessels, tankers and two container feeder vessels. More information on Ultrapetrol can be found at www.ultrapetrol.net.

ULTR-G

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