Exhibit

We consent to the incorporation by reference in the registration statement (Nos. 333-214259, 333-210114, 333-202528, 333-179937, and 333-103451) on Form S-3 and (Nos. 333-183532, 333-126248, and 333-58817) on Form S-8 of Helix Energy Solutions Group, Inc. of our reports dated February 23, 2018, with respect to the consolidated balance sheets of Helix Energy Solutions Group, Inc. as of December 31, 2017 and 2016, the related consolidated statements of operations, comprehensive income (loss), shareholders’ equity, and cash flows for each of the years in the two-year period ended December 31, 2017 and the related notes (collectively, the “consolidated financial statements”) and the effectiveness of internal control over financial reporting as of December 31, 2017, which reports appear in the December 31, 2017 annual report on Form 10-K of Helix Energy Solutions Group, Inc. Our report dated February 23, 2018 refers to a change in accounting for deferred income taxes.