The mile long stretch of sand that is Tenby South Beach is much larger and much quieter than Tenby North. It is also more exposed and therefore offers better windsurfing and kite-surfing conditions.
SW winds are cross shore and usually provide fairly flat water blasting conditons. It is even possible to sail out to nearby Caldey Island. Easterly and SE winds are also sailable, but conditions get choppier. Northerly and NW winds are offshore and the dunes backing the beach tend to make them gusty and usually unsuitable for wind driven sports. There is a beach on Caldey Island which can offer some wave sailing conditions on Westerly winds.
The surf here can be good when big storms and northerly winds blow out all other beaches in the area. All tides are surfable, with some fun little waves.
Parking is available at the beach, and during the summer lifeguards are on duty. A cafe, shops and toilets are situated at the northern end of the beach and accomodation can be found in the town of Tenby. There is also access to the beach through the dunes at Penally.