When it comes to successful marina operations, no other company has more experience or offers greater expertise than MDL. Established in 1973, we’re now Europe's leading marina group currently operating 20 major marinas and boatyards and managing over 7,000 berths.

Penton Hook is Britain's largest inland marina, set in 80 acres and with 575 berths. It’s on one of the loveliest reaches of the River Thames, close to the vibrant town of Staines-on-Thames and about a mile downstream from Runnymede where King John signed the Magna Carta.

We offer a full range of services with fully qualified staff. See pricing page for our full list of services. If you need a service and it is not listed, please ask as we may be able to help

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All equipment is tested in accordance with current insurance regulations

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We can lift boats up to 18 tons

Are you fed up with the state of your boat? Mouldy canopy getting you down? Desperately in need of a spring clean? You’ve come to the right place. Here at GR Pro-Clean we have more than 30 years of combined experience in boat cleaning services. And we’ve built a first-class reputation for quality and efficiency.