6-K

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 6-K

REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TORULE 13a-16 OR 15d-16

UNDER THE SECURITIES EXCHANGE ACT OF 1934

For the month of September 2021

Commission File No. 001-39730

VISION MARINE TECHNOLOGIES INC.

(Translation of registrant’s name into English)

730 Boulevard du Curé-Boivin

Boisbriand, Québec, J7G 2A7, Canada

(Address of principal executive office)

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)  ¨

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)  ¨

Attached as Exhibit 99.1 is our press release of September 20, 2021 entitled, “Vision Marine Technologies, Inc. to Showcase E-Motion™ the First Fully Electric 180hp Outboard Motor at IBEX 2021.”

Exhibits

SIGNATURE

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 hereunto duly authorized.

Exhibit 99.1

Vision Marine Technologies, Inc. to Showcase E-Motion™ the First Fully Electric 180hp Outboard Motor at IBEX 2021

Montreal, Canada, September 20, 2021 –Vision Marine Technologies, Inc. (Nasdaq: VMAR) (“Vision Marine” or the “Company”), the global leader in the electric recreational boating industry serving both Original Equipment Manufacturers (“OEMs”) and consumers, today announced it will showcase its E-Motion™ electric outboard motor at IBEX 2021, taking place September 28 to September 30 in Tampa, Florida.

The International Boatbuilders’ Exhibition and Conference (IBEX) is North America’s largest technical trade event and platform for professionals in the leisure marine equipment industry. IBEX is owned and produced by the National Marine Manufacturers Association (NMMA) and RAI Amsterdam.

“We are pleased to announce an industry first where our E-Motion™ outboard motor will be implemented into third-party power boats and pontoons at this year’s IBEX. Over the course of the three day event at IBEX, global OEM leaders of the marine industry will have a chance to sea trial our impressive product,” said Alexandre Mongeon, CEO of Vision Marine Technologies.

Key Features of Vision Marine’s Proprietary E-Motion™ Technology:

About Vision Marine Technologies, Inc.

Vision Marine Technologies, Inc. (Nasdaq: VMAR), strives to be a guiding force for change and an ongoing driving factor in fighting the problems associated with waterway pollution by disrupting the traditional boating industry with electric power, in turn directly contributing to zero pollution, zero emission and a noiseless environment. Our flagship outboard powertrain (“E-Motion™”) is the first fully electric purpose-built outboard powertrain system that combines an advanced battery pack, inverter, and high efficiency motor with proprietary union assembly between the transmission and the electric motor design utilizing extensive control software. Our E-Motion™ and related technologies used in this powertrain system are uniquely designed to improve the efficiency of the outboard powertrain and, as a result, enhance both range and performance. Vision Marine continues to design, innovate, manufacture, and sell handcrafted, high performance, environmentally friendly, electric recreational power boats to customers. The design and technology applied to our boats results in far greater enhanced performance in general, higher speeds, and longer range. Simply stated, a smoother ride than a traditional internal combustion engine (ICE) motorboat.

Forward-Looking Statements

Certain statements made in this press releaseare “forward-looking statements” within the meaning of the “safe harbor” provisions of the Private SecuritiesLitigation Reform Act of 1995. Forward-looking statements may be identified by the use of words such as “anticipate”, “believe”, “expect”, “estimate”, “plan”, “outlook”, and “project” and other similar expressionsthat predict or indicate future events or trends or that are not statements of historical matters. These forward-looking statements reflectthe current analysis of existing information and are subject to various risks and uncertainties. As a result, actual results may differmaterially from these expectations due to changes in global, regional, or local economic, business, competitive, market, regulatory andother factors, many of which are outside of Vision Marine’s control. Important factors that could cause actual results to differmaterially from those in the forward-looking statements are set forth in Vision Marine’s Annual Report on Form 20-F, filed withthe U.S. Securities and Exchange Commission (SEC) for the year ended August 31, 2020, as such factors may be updated from time to timein Vision Marine’s periodic filings with the SEC. Any forward-looking statement in this press release speaks only as of the dateof this release. Vision Marine undertakes no obligation to publicly update or review any forward-looking statement, whether as a resultof new information, future developments or otherwise, except as may be required by any applicable securities laws. https://visionmarinetechnologies.com.

Investor and Company Contact:

Bruce Nurse

Vision Marine Technologies, Inc.

(800) 871-4274

[email protected]

Dave Gentry

RedChip Companies Inc.

800-RED-CHIP (733-2447) or 407-491-4498

[email protected]