Visit the Gallery and Workshop

Mari Thomas Gallery has been based in Llandeilo, South Wales for just over 10 years, she has well and truly made her mark by purchasing a gorgeous three-storey Georgian building that was the Old Castle Hotel. It has transitioned nicely into the home of her gallery and workshop.

The Building - The Castle Hotel

A gorgeous grade 2 listed building in the heart of Llandeilo, W. Wales

The Old Castle Hotel

Now home to our jewellery gallery and workshop


Bespoke lighting in the entrance hall designed and created by Mari Thomas and Claire Staveley

The Gallery

The Main Gallery

The Main Gallery

Browse and relax with a cup of coffee.

Meeting Room

Want to commission something special? Just get in touch to book a free consultation

MT Gallery Artists

Selected from the very best national and international designers

One of our in-house workshops

On view from the gallery so you can see what we do and where the magic happens...

Made in Wales. UK

We are situated in the beautiful old market town of Llandeilo West Wales. “Cosy, beautiful and untouched”, Llandeilo has been chosen by the Sunday Times as the top place to live in Wales and represents the best of the UK. 

Llandeilo a “country chic” town is herald for its individual, independent boutique shops and bustling town festivals that bring people together, promoting community harmony through entertainment and joy, the highlights being the Literature, Jazz, Music and Christmas Festival of Senses. 


Our Hours

Monday - Saturday:

10am - 5pm

Closed Sundays

Mari Thomas Jewellery, The Old Castle Hotel, 113 Rhosmaen Street, Llandeilo Carmarthenshire. S. Wales. UK SA19 6EN

Get Directions