Contact: 1235R Paper Mill Road, Hunt Valley. 410-527-9997; chakracyclesstation.com
Rates: $5-$12 per hour; $20-$40 per full day (weekday and weekend rates may vary)
Inner Harbor Paddleboats
Located at Pier 1, Inner Harbor Paddleboats rents traditional and "Chessie" paddleboats, as well as electric boats, for use in the Inner Harbor.
Contact: Pier 1, Inner Harbor, Baltimore. 410-528-1060; baltimorepaddleboats.org
Rates: Paddleboats: $11-$18 per 30 minutes; electric boats: $10-$18 per 30 minutes
Light Street Cycles
This Federal Hill bike shop rents hybrids, mountain bikes, road bikes and bikes or trailers for children and pets.
Contact: 1124 Light St., Baltimore. 410-685-2234; http://www.lightstcycles.com
Rates: $15-$60 per day
Loch Raven Fishing Center
Operated by Baltimore County, the Loch Raven Fishing Center rents boats for use on the Loch Raven Reservoir.
Contact: 12101 Dulaney Valley Road, Timonium. 410-887-7692; baltimorecountymd.gov/Agencies/recreation/countyparks/fishingcenter/
Rates: $19-$58 per day
Monkton Bike, Tube & Cafe
From its location near Gunpowder Falls, this shop rents adult and kid bikes and trailers, plus kayaks and tubes for use on the river. The shop also includes a vegetarian-friendly cafe.
Contact: 1900 Monkton Road, Monkton. 443-212-5951; bikestuff.net
Rates: Bicycles: $7-$12 per hour, $14-$28 per day; tubes: $12-25 per day; single-person kayaks: $20 per hour
Old Town Parasail
This Havre de Grace shop rents a variety of watersports equipment, including parasailing gear, canoes, kayaks and paddleboats.