Shane McCarthy of Square Sail
The Square Sail Team

At our home base in Charlestown, Cornwall, Square Sail’s personnel have a great deal of experience with running every aspect of our operation.

The Boss

Head of Square Sail Ventures is Shane Mccarthy.  Shane also owns Atlantic Production Ltd which offers a range of services from set design and staging to large temporary structures for the Film and Corporate markets.  Shane took over the ownership of the Square Sail in 2015 and his long term goal is not only to continue delivering the marine filming skills, facilities and maritime expertise Square Sail is renowned for but also to further expand the scope of services we can offer to Film, Media and Corporate clients.


The Office

Our small, professional team has a wide range of knowledge and experience covering all elements of maritime work and marine filming. 

Our offices are open Monday to Friday 8am-5pm.

All initial enquiries:

  • Telephone: +44 (0) 1726 70241 / 67526
  • Email:


Our Harbour Master is in charge of all aspects of the day-to-day running of the port and manages all ship movements, including visiting yachts and lay-up of vessels.  



Square Sail has a number of skilled shipwrights able to accomplish all marine related work, including restorations, repairs, conversions and general marine maintenance.

The Company also employs marine engineers.


crew members at Square Sail

The Crew of Phoenix

The Company employs a full time, core permanent crew on Phoenix, which includes the Captain and First Mate.  Additional experienced crew return each sailing season to complete the ship's complement.



Company number: 09751076