Fancy adding a touch of Riviera chic to your London nuptials? Be one of the first to have a reception onboard Pontoon, a 70ft yacht moored in picturesque St Katherine's Docks, next to Tower Bridge. Perfect for an alfresco summer wedding, kick off with champagne on deck, followed by a seafood barbecue before dancing the night away. Pontoon can accommodate a reception for 80 guests or an intimate wedding breakfast for 20. Prices from £3,000. For more information, call 020 3137 3938.