In 1984 Llyn Carfan was the first fishery to introduce carp into Pembrokeshire. The original lake has now been joined by a second lake, increasing the total surface area to close on 3 acres.

Several varieties of carp are present and include commons, leathers, and grass carp along with tench,roach and rudd. Many fish are over 20lbs and a record 31.2 lbs common carp has been landed.

The lake is also known as Pembrokeshire Coarse fishing.