Photo: Seabob

Not sure what to get your action-loving partner for Christmas? Us too. It gets harder every year, right?

Well, we might have just discovered the Christmas present to beat all presents. This is the Seabob, an underwater jet ski.

You can rip around under the water (and above it, like a dolphin) using this motorised jet. We've got to admit, it looks like a hell of a lot of fun.

Photo: Seabob

It reaches speeds of up to 12.5mph and comes in a range of different colours. But it comes at a price.

The most expensive model costs $10,000 USD (£6,600) - so that's a pretty hefty Christmas present. Still, one can always dream...

Buy the Seabob from their website here.