Sea city

Sea City Museum sits right on Southampton's waterfront, and it's the kind of place that works best if you actually care about maritime history rather than just wanting somewhere dry to kill an hour. The building itself is modern - all glass and steel - but inside you're looking at everything from the Titanic's connection to the port through to the city's role as a naval powerhouse. There's proper interactive stuff here, not just glass cases gathering dust.

You'll want a good two hours minimum to do it justice. It's strongest for anyone with a genuine interest in shipping, exploration, or Southampton's specific story rather than as a family day out, though older kids who aren't bored by museums will manage fine. The Titanic angle tends to pull people in, fair enough - the ship was fitted out here before its doomed voyage.

The location is excellent. You're overlooking the water where these ships actually operated, which adds something you wouldn't get from a museum inland. If you're staying at Ashurst Campsite just outside town, it's a straightforward drive in.

Check their website for current opening hours and admission prices before you go - these things change. Parking in central Southampton can be a faff, so factor that in. It's worth the visit if maritime history genuinely interests you, but don't expect the energy of somewhere like the Science Museum. This is a solid, specialist museum done properly.