It’s the Marina Market in Dylan Thomas Square
Marina Market is a monthly street market selling fresh Welsh food and beautiful handcrafted goods.
It runs 10am – 3pm the second Sunday of every month (with the odd exception).
Dates can be found here: http://www.uplandsmarket.com/market-dates.html
It is held in Dylan Thomas Square next to The National Waterfront Museum and The Pumphouse in the Marina, SA1 1TT.
You can register as a trader on the website and apply for pitches: www.uplandsmarket.com