Pubs are restaurants in the area of Portland are being asked to be vigilant after lobsters were stolen on the island.
It happened overnight between Sunday (5/5) and Monday (6/5) at Stone Pier in Castletown.
Offenders dragged a large lobster cage on to the beach and stole most of its contents.
Police Constable Sally Ludlow, of Portland Safer Neighbourhood Team, said: “The lobsters that were stolen are worth a substantial amount of money.
“I am appealing for anyone who witnessed this incident or saw any suspicious activity around the time in that area to come forward.
“In particular, I ask pub and restaurants in the area of Portland, Weymouth and Bridport to be vigilant and report to the police anyone selling lobsters and shellfish for unusually low prices.