REGENT'S CANAL BOATS
London Waterbus, April 1-Sept. 30, from Camden Lock and Little Venice. Round-trip is 7 ($13) and one way is 5.50 ($10). Also stops at London Zoo. 020-7482-2660; www.londonwaterbus.com.
Jason's Canal Boat Trip, round-trip or one way from Little Venice and Camden Lock April 1- Nov. 6. Round-trip is 7 ($13) and one way is 6 ($11). 020-7286-3428; www.jasons.co.uk.
Jenny Wren, round-trip from Walker's Quay near Camden Lock, April-October and winter as permitting. Round-trip is 7 ($13); also has lunch and dinner cruises. 020-7485-4433; www.walkersquay.com. Also see the London Canal Museum at Camden Lock for a history of the canals, www.canalmuseum.org.uk.
BOATING IN HYDE PARKRent "pedalos" (pedal boats) and rowboats June-September on the Serpentine Lake; 5 ($9) per hour; 2 ($3.50) 12-under. Nearest tube stop is Knightsbridge. Hours 9 a.m.-6:30 p.m.; 020-7262-1330. www.royalparks.gov.uk/parks/hydepark. Regent's Park also has boating.
CRUISE THE RIVER THAMES
Bateaux London and Catamaran cruises: Lunch or dinner, sightseeing, and hop-on, hop-off cruises that let you stop at various locations. From 8 ($14). 020-7925-2215, www.bateauxlondon.com.
Thames Clippers fast commuter ferry. Its hop-on, hop-off service called River Roamer is 7 ($13). 087-0781-5049, www.thamesclippers.com.
City Cruises: Lunch, tea and dinner, sightseeing, and hop-on, hop-off cruises. From 9 ($16); also offers the London Showboat dinner cruise from 58 ($96). 020-77400-400, www.citycruises.com.
London Duck Tours: Land and river tours in duck-mobile. From 17.50 ($33). 020-7928-3132, www.londonducktours.co.uk.
Westminster Passenger Service: Takes you all the way from Westminster to Kew Gardens or Hampton Court. A round-trip to Kew is 16.50 ($30) and takes 1 to 1 1/2 hours depending on tides. 020-7930-2062, www.wpsa.co.uk.
Thames Luxury Charters: Collect all your friends and rent the entire Elizabethan riverboat (capacity 250) for 440 per hour (minimum 3 hours for a daytime cruise Monday-Friday. Prices higher on weekends). 020-8780-1562, www.thamesluxurycharters.co.uk.