I have just added this to the map of places to fly your drone at Drone Scene:
Land owner permission requirements unknown.
Humber Cruising Association Marina, Grimsby
The HCA marina is situated in the old Fish Dock No1, originally completed in 1856. It has accomodation for 220 boats and hard standing for 30 boats. Diesel with fresh Plenty of waste land /quiet roads around Ribey Street to take off from. The old ice house building towards top left was used in 2007 as a set to film part of the film Atonement starring Keira Knightley, James McAvoy
The originator declared that this location was not inside a Flight Restriction Zone at the time of being flown on 17/07/2022. It remains the responsibility of any pilot to check for any changes before flying at the same location.