Win a £250 Welsh hamper - enter free →

×
What's OnYnys Môn
← Things to do
Attractions & museums
Council

Beaumaris Courthouse (Llys Biwmares)

A courthouse from 1614 opposite Beaumaris Castle, used as an assize court until 1971 and now a museum run with the gaol by Beaumaris Town Council.

Beaumaris
·
East coast & Menai
Stone front of Beaumaris Courthouse
Photo: Tilman2007, CC BY-SA 4.0, via Wikimedia Commons
DirectionsBook or visit websiteCallShare
Price
Price not confirmed
Time needed
Sat nav
LL58 8BP
Local tip
It sits right opposite the castle, so it’s easy to combine with Beaumaris Castle and the gaol.

Beaumaris Courthouse was built in 1614 and stands opposite Beaumaris Castle. It was enlarged in the early 1800s, served as an assize court until 1971 and then as a magistrates’ court, and is now a museum. It is listed Grade II*. The courtroom keeps its historic character despite 19th-century alterations.

Stories from its past include an 18th-century thief whipped through four island towns for stealing cheese and beef.

Good to know

It is run alongside Beaumaris Gaol by Beaumaris Town Council. When we checked on 11 October 2026 there were no published opening days or prices, so contact the council before you go.

Read visitor reviews on Google

Plan your visit

Where to go
On Castle Street (Mona Place side), directly opposite Beaumaris Castle.
Opening times
Prices
Booking
Not confirmed
Age suitability
Parking
Parking charges may apply; pay and display car parks in Beaumaris town centre.
Public transport
Walk
Step-free access
Not confirmed
Access details
Toilets
Not confirmed
Facilities
Dogs
Not confirmed
Dog rules

Make a day of it

Walks & Coastal Path

Wygyr riverside walk and Cemaes Community Woodland

Gentle village walk in Cemaes along the Afon Wygyr, with benches, red squirrels and the ruins of an old brickworks, plus a 5-acre volunteer-run woodland with a pond.

Attractions & museums

South Stack Lighthouse (Ynys Lawd)

Trinity House’s 1809 lighthouse on its own islet off Holy Island, reached down (and back up) 400+ cliff steps and a bridge. Open weekends 10.30am–4.30pm from 31 October.

Attractions & museums

Beaumaris Courthouse (Llys Biwmares)

A courthouse from 1614 opposite Beaumaris Castle, used as an assize court until 1971 and now a museum run with the gaol by Beaumaris Town Council.

Details last checked
October 11, 2026
Spotted something wrong? Tell us

Run this place? Claim the listing to update opening hours, photos and details, or to tell us it has closed.

Claim or update this listingPromote it