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About us

Menai Oysters is a registered oyster and mussel farm located in the Menai Strait, Anglesey, North Wales. The original focus of the business was to produce very high quality shellfish for the wholesale and restaurant market. To this end investment has been directed toward the production, processing ,packaging and delivering of the shellfish. Menai Oysters meets all EU and UK requirements when it comes to health and hygiene.

Menai Oysters uses purification systems to clean shellfish to ensure that they meet all relevant standards for human consumption and we are licenced accordingly.
We continually monitor the shellfish for quality. We are now moving toward SALSA accreditation further ensuring the safety of our produce.

The next aim of the business is to increase our direct sales by attending shows and events, where it is possible to eat there and then, our oysters with champagne, as well as taking some home

Menai Oysters began life in 1994. Set up by marine biologist Shaun Krijnen,(MSc BSc) the company initially concentrated on oyster production, farming the pacific oyster Crassostrea gigas.

It wasn’t until 2000 that the opportunity to farm more ground became available.The ground in question contained mussels Mytilus edulis. The bed had not been worked for 2 decades so a lot of work (no machinery at this time) began to restore the beds to a working farm. Building our own mussel dredger as well as aquiring a machine with an extremely low ground pressure enabled the mussel side of the business to be built up.

Our mussel dredger the Uphill Struggle

And when full of mussels...

A view of Caernarfon with the castle at high water (The posts are the jetty in the top picture)

Mussels available on Wednesday collection only. Oysters are back in stock for delivery/collection from Wednesday 27th March.