Although the town lacks an abundance of tourist attractions, if your journey takes you past then consider taking a break here. There are some pleasant cafes, and the old town center and its famous market are definitely worth a look. A twelfth century history book names the town as the birth place of the wizard of Arthurian legend, Merlin. Consequently, there are a few 'Merlin' themed events and establishments in the town.
Carmarthen Market. The area around Carmarthen has been a magnet for the counter-culture since the 60s, and as a result, the town's market peddles an interesting mixture of traditional market goods and hippie handcrafts. The market it open six days a week, though Wednesday and Saturday are market days and the best days to visit.
Carmarthen Castle. The ruins of the castle are located in the town center.
Carmarthen County Museum, Abergwili (1.5 miles east of the town on the A40) . Tel: +44 1267 228-696. A small museum displaying a wide range of artifacts representing the county's heritage. Open: Mon – Sat 10AM – 4.30PM
Kidwelly Castle in Kidwelly is about 8 miles from Carmarthen along the A484. 
Middleton, the National Botanic Garden of Wales .
The sea-side town of Laugharne was the home of Swansea born and world famous writer Dylan Thomas, and the boat-house where many of his verses were composed is a main attraction. Laugharne is 8 miles from Carmarthen.