Every effort is made to try to ensure the safety and security of you and your property, however your vessel and everything in it should be adequately insured. We have 24 hr CCTV coverage of the site and the site is manned 8 am to 8pm and 2 hours either side of the tide outside these hours.

Report anything suspicious to the
Marina Office or Dock Master

Please provide adequate care and control of young or inexperienced persons and ensure that non-swimmers wear suitable Lifejackets when in the Marina.

Do not leave objects on the walkways and please ensure your vessel does not interfere with other vessels.

Please pay full attention to the Marina Rules and Regulations and the Terms of Business displayed in the Marina Office. Copies available on request.

Your special attention is drawn to the following:-

Whilst every effort is made to ensure the information contained in this booklet is correct, Port Dinorwic Marina, its employees and servant’s take no responsibility for its accuracy. Skippers are reminded that the safety of their vessels and crews rests with them. We disclaim any responsibility or liability that resulting from any misinterpretation of the notes within this booklet or any advice or information provided by Port Dinorwic Marina, or its employees.

The length of the vessel is its overall length including davits, pulpits, pushpits, Bowsprits, bumkins etc.

All berths and facilities are offered ‘Subject to Availability’


All prices on this website include VAT at 20% and Caernarfon Harbour Trust fees where applicable.

We reserve the right to increase prices at any time without notice.

Vessels and Vehicles are berthed / parked at the owners risk.

All vessels must hold adequate insurance cover including Third Party Liability to £3,000,000, copy of which to be presented with fees.

Port Dinorwic operates no Locking fees.