Tresaith Beach is situated just over a mile east of Aberporth. Its sandy beach is flanked by high cliffs, with a waterfall on the north side where the Afon Saith drops onto the shore. It is not the most car-friendly place to visit - there are only 5 spaces at the beach, and additional car parking at the top of the hill consists of a rough field entered by a rough track and an honesty box for the £2 fee (May 2012). Facilities at the beach include toilets, a slipway and a cafe. There is a pub (The Ship) which has outdoor seating overlooking the beach. Swimming is generally safe, and sailing is popular here.
At low tide it is possible to walk along to Penbryn Beach. Dog restrictions apply from the beach access point southwards to Carreg-y-Ddafed from 1st May to 30th September.