Saronic Acquires Gulf Craft to Accelerate Autonomous Shipbuilding

Vatn Systems Acquires Crewless Marine

January 9, 2026

Aerospace & Defense

Vatn Systems, a Portsmouth, Rhode Island defense-technology company, has acquired Rhode Island-based Crewless Marine to bring advanced underwater acoustic sensing and real-time signal-processing capabilities in‑house. Crewless Marine co‑founders Dr. Steve Bordonaro and Dr. Philip Caspers will join Vatn in senior engineering roles; financial terms were not disclosed. The deal strengthens Vatn’s vertical integration, reduces supply‑chain dependencies, and accelerates development of AUV acoustic capabilities for defense and environmental markets.

Americraft Marine (Libra Group) Acquires St. Johns Ship Building

June 21, 2022

Manufacturing

Americraft Marine, a maritime subsidiary of the Libra Group, has acquired St. Johns Ship Building, a full-service shipyard in Palatka, Florida that constructs and repairs Jones Act-compliant vessels. The acquisition aims to expand U.S. shipbuilding capacity—particularly for vessels that support offshore wind and other renewable energy projects—and to invest in workforce training and yard capabilities.

Magnet Defense Acquires Metal Shark

January 6, 2026

Aerospace & Defense

Magnet Defense has completed its acquisition of Metal Shark, combining Magnet Defense's autonomous, AI-enabled maritime platform capabilities with Metal Shark's established shipbuilding footprint and production workforce. The deal gives Magnet Defense direct access to Metal Shark's Louisiana shipyards and manufacturing infrastructure to accelerate the transition from prototype to sustained production of unmanned surface vessels for U.S. and allied defense customers.

MarineMax Acquires Midcoast Construction Enterprises (Midcoast Marine Group)

December 5, 2022

Construction

MarineMax, Inc. acquired Midcoast Construction Enterprises, LLC (Midcoast Marine Group), a Central Florida–based full-service marine construction company, adding marina development capabilities, specialized equipment, and waterfront real estate in Tarpon Springs, Florida. Midcoast founder and CEO Jack Fulford will continue to run the business as part of MarineMax's expanding marina and services platform.

Safe Harbor Marinas Acquires Monaco Marine

July 31, 2025

Real Estate

Safe Harbor Marinas has acquired Monaco Marine, expanding its footprint into the Mediterranean with nine marina and shipyard locations across the South of France and Monaco that provide slips, storage and refit/maintenance services for vessels up to 90 meters. The deal increases Safe Harbor’s global portfolio to 149 marinas and shipyards and extends its service offering into premier Mediterranean yachting destinations such as Saint-Tropez, Antibes and Monaco.

Vision Marine Technologies Acquires Nautical Ventures Group

June 23, 2025

Retail

Vision Marine Technologies (NASDAQ: VMAR) acquired Nautical Ventures Group, a Florida-based recreational boat dealership, marina, and service provider operating nine retail locations. The acquisition gives Vision Marine direct retail and service distribution for its E-Motion high-voltage electric propulsion systems and expands the company's direct-to-consumer sales, installation, and aftermarket service capabilities.