With an atmospheric cave, scores of spider crabs, the wreck of a former Liberty ship, and the chance of a seal encounter, this site offers a snapshot of Pembrokeshire.
Anglesey has some amazing dive sites, but Mark Evans reckons none have such dramatic above-water scenery as a drift from South Stack Lighthouse on Holyhead
Everything has to fall into place for a dive trip to the Smalls, but those with an adventurous spirit are rewarded by an explosion of life above and below water.
New app brings tide predictions straight to your mobile
Staggering 82 trolleys removed from 30-metre stretch of Thames
A step-by-step run-through of the simple set-up of the Hollis Explorer Sport Rebreather, by Mark Eva
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