Please check our main Recreation & Parks webpage for all updates. 
Please call our inclement weather lines about the status of camps, programs, events, facilities, and parks:

  • In-person camps have begun. Due to safety requirements, many camps have been cancelled.
  • This spreadsheet is a list of camps that are ready to run. This list will grow weekly, so please check back often.
  • HCRP Summer Camp COVID Safety Policies (updated June 2020)
  • Click here for a list of our online/virtual camps.
  • Click here for a list of our adult in-person programs.
  • Click here for a list of our youth in-person programs.
  • Click here for a list of our Family in-person programs.
  • If you are uncertain as to the status of an upcoming camp or program, please contact our registration staff at 410-313-7275 or [email protected]

The Adventure Shack & Rentals is currently closed.

Due to the current uncertainty regarding COVID-19 we have not opened for the 2020 season and do not have an opening date at this time.

During normal operating hours, the Adventure Shack & Rentals may close early or not open at all for a variety of reasons including inclement weather in the forecast. Know before you go: call 410-313-7303 for the most up-to-date information before heading to the park!

Adventure Shack & Rentals at Centennial Park
Adventure Shack logo

Know before you go - call the Adventure Shack & Rentals status line at 410-313-7303 before heading to the park! Groups (camps, school groups, scouts, etc) MUST call the Adventure Shack Manager before coming to the Shack. See the "Contact Us" tab below - requests require at least two weeks' notice.

Please see complete boat rental rules and regulations in the tabs below. Your drivers license, rental fee and an additional $10 deposit are required to rent a boat (a separate photo ID is required for EACH boat). Life jackets are provided and must be worn at all times; passengers must be at least 2 yrs old.  The Adventure Shack may close during hazardous conditions. All boats are rented based on a first-come, first-served basis; we do not take reservations or hold boats. To reach the Adventure Shack staff, please call 410-313-7304. All customers must complete the Boat Rental Agreement in order to rent a boat.

Boat Dock Information (recorded message): 410-313-7303
Adventure Shack & Rentals staff: 410-313-7304
10000 Route 108, Ellicott City, MD 21042

Live Bait (nightcrawlers) and Centennial Lake boat permits available for sale at the Adventure Shack during normal operating hours.

Looking to refine your paddling skills? Purchased a new canoe or kayak and not quite sure you're ready to hit the water on your own? Try the Canoe & Kayak Paddling Basics class! Visit for complete details and links to sign up online! 

Adventure Shack Concessions and General Store

Forget something for your time at the park?  Visit the Adventure Shack to grab a bite or pick up that last minute item:

  • Snack Bar items
  • Soda, water & juice
  • Ketchup and Mustard
  • Bagged Ice
  • Live Bait (nightcrawlers)
  • Fishing rods
  • And Much More....

Rented a pavilion?  Forgot your ketchup or need more ice?  Call the Adventure Shack at 410-313-7304 for possible delivery right to your pavilion!

The Adventure Shack also sells daily and annual boat permits for Centennial Lake!  Heading out on the lake early?  Purchase a daily permit at the launch and when you come back in, bring that receipt to the Adventure Shack for a credit towards an annual permit!  Up to three daily permit fees (with receipt) may be applied to the purchase of an annual permit.

Adventure Shack ad


Currently CLOSED

To find the Adventure Shack & Rentals, enter Centennial Park through the main South entrance off Route 108 (at the traffic light across from Ten Mills Rd). Once in the park, take the second right and park in the top lot. Walk down the pathway next to the access road to the concessions area and boat rental dock.

The Adventure Shack season is typically late April/early May through October; boat rental season is shorter and weather-dependent.

Operating hours may be altered during park events, such as extended hours for Sunset Serenades concerts and closures during triathlons or events on the lake. The Adventure Shack and Rentals may also close due to inclement weather.

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Call 410-313-7303 for the most up-to-date information including inclement weather closings!

Boat Rental Fees

Cash or Credit Card (No checks):

2 or 4 Seat Paddle Boat (fee per half hour):  $15 for Howard County residents, $17 non-resident
Canoe, single or double kayak (fee per hour):  $15 for Howard County residents, $17 non-resident
Fishing boat with trolling motor* (fee per half-day rental, 4 hours): $35 for Howard County residents, $37 non-resident

ADDITIONAL $10 Deposit and photo ID REQUIRED for EACH boat.  For example, if paying by cash, you must have the initial rental fee PLUS the $10 deposit per boat before renting.  If paying by card, your card will be charged the initial rental fee and held as a deposit - your card WILL be charged if you forfeit your deposit for any reason. The primary renter's residential status will determine the rental fee.

Example for renting multiple boats: One person, a Howard County resident, is paying to rent 3 paddleboats. That person must provide a photo ID for the first boat, and two other individuals (16yrs+) must provide their photo ID for each of the other two boats. All three fees will be at the County resident rate so long as the first individual is paying for the three rentals. If paying cash, you must have $30 in addition to the rental fee for the $10 deposit required for each boat).

* By law, boaters born on or after July 1, 1972 must carry a National Association of State Boating Law Administrators-approved certificate of boating safety education when operating a motorized boat on Maryland waters. This includes operating a fishing boat with a trolling motor on Centennial Lake - the Adventure Shack & Rentals is not responsible for any fines resulting from a failure to comply.  For information on how to obtain a Maryland Safe Boating Certificate, visit the Maryland Dept of Natural Resources at

Boat Rental Rules & Regulations

1. All park rules and regulations must be followed.
2. Swimming is NOT allowed in the lake.
3. Littering in the park or lake is not allowed and will result in immediate expulsion from the Park.
4. All boat renters must be 16 years or older and have a picture ID. A separate photo ID and deposit is required for EACH boat. The renter is responsible for loss or damage to equipment by anyone in his/her party. A person 16 years of age or older must be in the boat at all times.
6. In the event of inclement weather, all boats must be returned to the boat dock area immediately. If a storm suddenly approaches, take the boat to the nearest shoreline, exit water and secure boat to land.
7. Boats are limited to a maximum of 2 people in a 2-person paddle boat, 2 people in a tandem kayak, 3 people in a canoe and 4 people in a 4-person paddleboat.
8. Unsafe conduct or inappropriate behavior anywhere in the park is prohibited.
9. All boats must return back to dock area within 30 minutes of the posted closing time.
10. All fishermen 16 years or older are required to have a valid Maryland Freshwater Fishing License, and to conform to all fishing regulations in regard to catching and returning fish in this lake.
11. Feeding the wildlife is prohibited.
12. No pets allowed on rental boats.
13. Entering and exiting the boat is the passenger's responsibility.
14. All boaters must be at least 2 years of age and must be able to sit in their own seat on the boat. No sitting on laps or in the middle of paddleboats.
15. No standing on the boats; please remain in your seats. If you want to switch seats, come back to the rental dock.
16. All boats first-come, first-serve. Groups MUST make prior arrangements with the Adventure & Outdoor Manager - allow at least two weeks' notice. See the "Contact Us" tab below. NO groups on half-price rental days.

Failure to follow these rules at all times will result in the loss of deposit. If paying by card, your card WILL be charged the additional $10 deposit if you forfeit the deposit for any reason.

Violation of applicable regulations or failure to obey a direct order from a Howard County Department of Recreation & Parks employee may result in termination of the boat rental agreement, forfeiture of deposit, loss of park privileges including expulsion from the park, and may be subject to criminal and civil penalties set forth in section 19.201 of the Howard County Code.

Fish Centennial Lake?

Been fishing on Centennial Lake recently? Share your catch through the Maryland Dept of Natural Resources' Angler's Log and be sure to tag #FishCentennial on social media!

Check out our fishing page for complete details on fishing classes, programs and camps with HCRP.

Check out this 5.6 lb bass caught at the Spring Fishing Tournament: Lloyd Williams IV caught this 5.6 lb Bass at the Spring Fishing Tournament

Inclement Weather

The lake is closed in the event of extreme hazardous conditions.  The Adventure Shack & Rentals may close early or not open at all in case of inclement weather in the forecast.  Call 410-313-7303 before heading to the park for the most up-to-date information.

Renters should return to the rental dock immediately when you hear thunder while on the lake.  Listen for announcements from Adventure Shack staff as well.

The lake is open to personal boats from March until December.  Visit the main Centennial Park page for information on launching your own boat.  A permit is required to launch on Centennial Lake - daily permits are $5, annual permits are $55.

Contact Us

For information about the Adventure Shack & Rentals including updates such as closures and inclement weather, call 410-313-7303 for a recorded message.  Please do not leave a voice mail at this number - it is not monitored.

To contact the Adventure Shack staff directly during operating hours, call 410-313-7304.  This is the number for requests for deliveries of Adventure Shack items to park pavilions.

GROUPS: To schedule a group visit, contact Dawn Thomas, Adventure & Outdoor Manager at 410-313-1754 or [email protected]. Group requests require at least two weeks' notice.

To report errors on this webpage, contact Matt Medicus, 410-313-1769, or [email protected].

For questions or concerns about Centennial Park, call 410-313-7271 or the main Recreation & Parks Headquarters at 410-313-4700.  Please note, Adventure Shack & Rentals staff are NOT park staff - please contact the park for any issues or questions such as pavilion rentals, parking issues, pathway questions, fishing regulations, etc.

For medical emergencies, call 911.  To reach a Park Ranger, call 410-245-1410.

Please Note:

This page is the ONLY official site for information about the Adventure Shack concessions and boat rentals at Centennial Park.  Don't be fooled by impostor websites - only sites that start with provide the correct information for Howard County Recreation & Parks and Centennial Park.

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