The Blue Lagoon Warm Water Centre

The water's warm the moment you step in - that's the whole point of the Blue Lagoon, really. It's an outdoor heated swimming facility near Pevensey, the sort of place that makes sense when the English weather's being its usual self. You get a proper swim without the shock of cold water, which sounds soft until you're actually in it and realising how much more pleasant that is.

It's geared toward families and casual swimmers rather than serious lap athletes, though there's enough room to do proper lengths if you want. Kids will spend hours here - the shallow areas are safe, the temperature means they won't be shivering after ten minutes, and there's something about an outdoor pool that feels like an adventure even when you're only thirty minutes from Pevensey town centre.

If you're staying at Warren Wood Country Park, which is less than three miles away, this becomes a genuine option for an afternoon rather than a trek into town. Pevensey Bay Holiday Park's even closer at under three miles. It works well as part of a coastal Sussex holiday - swim in the morning, then head to the beach itself later when the sun's actually warm enough to dry off properly.

The facility doesn't charge for admission during certain hours, though you'll want to check opening times before you go - details aren't widely advertised. Bring a towel and flip-flops, allow a couple of hours if you've got kids, and don't expect the Ritz. It's functional, warm, and does exactly what it says on the tin.