Fishing equipment has been stolen from a storage box at Lydstep Haven.
Ugly Stick rods, Mitchell reels and green waders were stolen sometime over the winter.
Meanwhile, also over the same period, a second storage box was broken into and diving equipment, including regulators, masks, flippers and wet suits removed.
Police are appealing for anyone with information to contact PC1033 Boorman at Tenby Police Station via 101.