1 Best for holiday

Pro-Tech iSound Waterproof Speakers, £69.99

Instead of blasting your tunes from the side of the pool, take them in with you. These speakers float in water and are resistant to shampoo, soap and salt. They will work for up to 30 hours using four AA batteries, and the sound – especially the bass – is great.
Stockists: iwantoneofthose.com

2 Best for watersports

Sanyo Xacti VPC-CA8 camcorder, £249

The Xacti is waterproof up to 1.5m and promises crisp 8-megapixel images with a 5x optical zoom and a 2.5-inch LCD screen. It’s light enough to use one-handed, and its one-thumb control keys allow you to focus on staying upright.
Stockists: sanyo.co.uk

3 Best for snorkelling

Fujifilm FinePix F100fd Camera, £229 (Housing £129.99)

The 12-megapixel FinePix F100fd can take pictures at depths of up to 40m. It has an underwater shooting mode and face-detection technology, which detects faces in profile, from high and low angles, when upside down or if they're tilted at any angle. Although possibly not if they are fish.
Stockists: fujifilm.co.uk

4 Best for swimmers

Overboard Waterproof Case, £39.95

Paddling with your iPod has never been so easy; this case can be strapped to your arm and submerged in up to 19ft (5.8m) of water. The headphones are also waterproof and it's transparent, so you can select tracks easily.
Stockists: firebox.com

5 Best for outdoor enthusiasts

Sony EricssonC702i Cyber-shot, £249.99

The rugged C702i is perfect for the outdoor enthusiast, especially one who regularly gets caught in the rain. It is splash and dust resistant and its 5-megapixel camera offers face detection and auto focus.
Stockists: sonyericsson.com