Semper Diving & Marine Corp. is a veteran-owned, Boston based commercial diving and marine construction contractor established in 2005. We provide a wide range of construction and inspection services to heavy civil contractors, facility owners, and municipal and private clients. Our capabilities include full service diving in all environments, marine construction and rehabilitation, pile driving, advanced underwater robotic services, as well as inspection services.

Semper’s staff includes experienced divers, engineers, ROV and AUV operators, and marine construction personnel with an in-depth knowledge of all forms of diving, marine construction, rehabilitation, and engineering. Semper’s staff brings decades of marine construction, heavy civil and diving expertise to the firm, including many years of diving and heavy civil work and management on the Central Artery Tunnel Project; outfall tunnels, diffusers and headworks for the Boston Harbor Cleanup project; tremie concrete placements, as well as marine facility rehabilitation.



Commercial Diving – offshore and inland

Pile Driving

marine and earth support systems

subsea Robotics

remotely operated vehicles (ROV) and autonomous Underwater Vehicles (AUV)

Marine services

new construction, rehabilitation, and inspection

At Semper Diving and Marine, we are proud to be New England’s most advanced commercial dive company with capabilities including heliox and nitrox diving, advanced underwater robotics including ROVs and AUVs, portable custom mobile offshore and inshore dive boxes, decompression chambers, barges and flexi-floats, pile driving equipment, 46-foot survey vessel, fleet of work boats, and more.

We strive to continue to advance the capabilities and quality of commercial dive work in New England and beyond. Servicing all scopes of work from sewer inspections to offshore gas pipelines, Semper has the capacity to undertake almost any type of project whether on land or sea.

Salvage of tug off President Roads. June 2016


Phone: (617)-227-0688

Email: info@semperdive.com

Address: 100 Terminal Street
Charlestown, MA 02129

Online Inquiries: CONTACT FORM