Stags and Hens recommend Red7

Pedibus

London
Whitehall London GB

Beer bike tours in London for up to 12 people per bike (up to 60 people!). Shoreditch & the fab Borough Market are just two of the routes available. Or Pedalcat aqua bikes in Spain – pedal-powered catamarans for up to 9 party people in Ibiza, Mallorca, Barcelona & other Spanish hotspots on the Med.