Castletown D-Day Centre

Wartime preparations still echo through Portland's former naval base, where this specialist museum brings D-Day planning to life through authentic artifacts and personal stories. The centre focuses specifically on Operation Overlord's connection to Dorset's coast, where much of the invasion fleet assembled before crossing to Normandy.

History enthusiasts will find the most value here, particularly those with an interest in naval operations and military logistics. The displays include genuine equipment, photographs, and detailed accounts from servicemen who departed from these very waters. Kids might struggle with the dense historical content unless they're already keen on wartime history.

Open Wednesday to Sunday with afternoon hours only, so plan accordingly if you're staying at nearby parks like Chesil Beach Lodge Park or Haven Littlesea. The location on Portland makes it a proper detour from Weymouth's main tourist trail, but the naval setting adds authenticity you won't find in larger war museums.

Allow around two hours for a thorough visit - any longer and the information becomes overwhelming. The centre works well as a rainy day option when staying at holiday parks along this stretch of coast, though its specialist nature means it's definitely one for the grown-ups rather than a family day out. Worth combining with a walk around Portland's dramatic coastline if the weather's decent.