Port of George Town Arial View, Cayman Islands
A Solid Maritime Foundation

Cayman Islands Shipping Registry, established in 1903, built upon a strong maritime history

Cayman flagged pleasure yacht AMARYLLIS
Premier Financial Centre

Modern, comprehensive legislation in an efficient tax-neutral, international finance jurisdiction

Cruise Ships in the port of George Town, Cayman Islands
Expansive Ownership Eligibility

A wide range of ownership structures with varied vessel registration options

Ariel view of Cayman flagged merchant vessel
World-Class Expertise

A diverse, qualified and experienced client-centric global team

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Welcome to MACI


The global maritime environment is very dynamic and has become increasingly complex and varied over time and these features are expected to exist well into the future. The Cayman Islands Shipping Registry maintains and seeks to continuously develop working partnerships with its existing and potential private sector providers and to forge alliances with its regulatory and industry partners, be they international, regional, or national.

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Latest Notices & Guidance Notes

Shipping is probably the oldest global industry and depends upon a global regulatory framework to operate efficiently. As such, the industry has a well-developed international, regional, and national regulatory environment. Shipping Notices and Guidance Notes contain the mandatory information on the technical details of regulations that must be complied with under Cayman and UK Legislation.

Shipping Notices

Notice No:
The STCW Convention and the issue of Endorsements attesting to the recognition of a Certificate of Competency
Notice No:
Notice of Fees and Charges

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Guidance Notes


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MACI Consulting is a developing area within the Maritime Authority of the Cayman Islands. Its mission is to provide cost-effective consulting services on various maritime issues utilising informed and efficient expertise whilst employing innovative solutions.

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Advice on the administrative structure and technical requirements of establishing an effective maritime administration related to a country’s levels and type of shipping activity including the financial aspects of operating a maritime administration. Guidance is also offered on organizing and staging maritime themed conferences, seminars and workshops. Learn More
Advice on using a design criteria, construction standards and other safety measures equivalent to the IMO’s SOLAS, Load Line & STCW conventions for yachts carrying 13-36 passengers so as to minimise the risk to such ships, to the personnel on board and to the environment.Learn More
Advice on using an equivalent to the IMO’s SOLAS, Load Line & STCW conventions, allowing yachts that are 24 metres and over in load line length, are in commercial use for sport or pleasure, do not carry cargo and do not carry more than 12 passengers to be issued with international certificates that enable them to conduct free worldwide trade under the Cayman Islands Flag. Learn More