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Bag Policy/Search
Each fan may carry a bag, diaper bags, or purse that is 16" x 16" x 8" or smaller. Hard side coolers are not allowed,
You and your belongings may be searched upon entry into Nymeo Field at Harry Grove Stadium. By tendering your ticket and entering the stadium, you consent to such searches. If you elect not to consent to the searches, you will be denied entry into the stadium. We encourage all fans to enter the stadium early to avoid delays. Outside food and beverages are not allowed at Nymeo Field at Harry Grove Stadium, with the exception of one factory sealed bottled water or an empty, reusable bottle.
Banners/Flags/Signs
These items are all permitted provided the item is not commercial or offensive. Banners must not include profane language, advertisements, or political slogans. Banners or signs cannot obstruct the view of other guests.
Bike Racks
Bike parking is located in the front of Nymeo Field at Harry Grove Stadium near the handicap parking. The Frederick Keys are not responsible for lost or stolen property.
Birthdays
The Keys offer a clean, safe, unforgettable environment to celebrate your child's birthday. Our birthday packages begin with 10 field seats to the game, your choice of hot dogs or pizza, cupcakes, baseball souvenirs, and Fun Zone Tickets. Also included is a visit from the Keys' mascot Keyote, Happy Birthday song on the dugout and a digital party picture with an autographed birthday card. Check out our birthdays page!
Broadcast
Radio coverage of Frederick Keys home and away games are broadcast on our website. Watch our online video broadcasts live: Link coming soon.
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Comments / Concerns
Visit the Nymeo Guest Services Center, located on the main concourse facing the front gates, if you have any comments, suggestions, or concerns on game day. On non-game days, you may call (301) 662-0013 or email your thoughts to info@frederickkeys.com and a customer service representative will be happy to assist you. For ticket-related issues, please contact the Keys Box Office at (301) 815-9939. To better serve you at future games, we encourage you to complete a comment card, available at the Nymeo Guest Services Center.
Concessions - All Concessions are Cashless Payments (Nymeo Money may be purchased with cash at the Box Office to be used at Concessions)
We offer a wide range of food and beverage concessionaire at Nymeo Field at Harry Grove Stadium. Four concession stands are located throughout Nymeo Field at Harry Grove Stadium. Several portable concession stands are located along the main concourse. Please note that locations of all food and beverage stands are subject to change.
For a full list of available options, head to the Concessions page.
Credit Cards
For your convenience, Visa, MasterCard, Discover and American Express are accepted at our Box Office, Team Store, Mattress Warehouse Club and Suites as well as concession stands.
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Diaper Changing Station
Baby changing tables are available in all public restrooms on the main concourse.
Disabled Seating
Nymeo Field at Harry Grove Stadium is equipped with Americans with Disabilities Act (ADA) access and companion seating behind the back row of the seating bowl in sections 102, 107, 108, 119 and 120. Wheelchair Accessible Sections are also located on the main concourse behind both the General Admission and Reserved Seating sections. Those fans in wheelchairs that need assistance to the 100 Level are welcome to use the wheelchair lift which is located at the end of the main concourse on the first base side. The lift can accommodate persons in wheelchairs, scooters, and power mobility devices, to the mid-level seating area as long as the total combined weight of said person and device does not exceed 550 lbs. and is able to clear the platform dimensions of 31.5"W x 48"L. Please contact a Keys Staff member or Guest Services to get assistance with the lift.
There are designated ADA spaces along the concourse to accommodate all persons utilizing a wheelchair, scooter, or power mobility device. ADA accessible tickets are not available for purchase online. Please call (301) 815-9939 or come to the Keys Box Office to purchase ADA access seating.
Donation Requests
All donation requests must be made online by filling out our online donation request form.
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Elevator
Guests entering the Mattress Warehouse Club or Suite areas may do so via the passenger elevator located through the lobby behind section 205 near the Keys Courtyard.
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Facility Management
Frederick Keys staff members are available on game days to address any facility-related issue that may arise. Please contact a Keys employee, usher, or visit the Nymeo Guest Services Center for assistance or call (301) 662-0013 to report any issues.
Fan Code of Conduct / Ejection
Fans are encouraged to conduct themselves in an appropriate manner that does not interfere with others' enjoyment of the game. Profane or abusive language, fighting, and public intoxication are not tolerated at Nymeo Field at Harry Grove Stadium. Clothing with profane/abusive language is also prohibited. Entering the playing field is strictly prohibited. Anyone who does not adhere to these policies is subject to ejection and prosecution, as well as possible loss of ticket privileges.
Guests are encouraged to report violations of the nearest ballpark staff member. This can be done in-person, at Nymeo Guest Services, directly with ballpark security, or by calling (301) 662-0013.
Fan Interference
In the interest of player and guest safety, Nymeo Field at Harry Grove Stadium maintains a zero-tolerance policy regarding fan interference with a ball in play or a player during the game. Failure to comply with the policy could result in immediate removal from Nymeo Field at Harry Grove Stadium and criminal sanctions.
Fantasy Day
Come enjoy softball on the field, an All-You-Can-Eat picnic, use of the Mattress Warehouse Club, and Fun Zone. Keys' Fantasy Days are perfect for any company or groups looking for a unique event. Call our Group Sales Department at (301) 815-9900 to find out more and make your reservation today.
First Aid
The First Aid station is located on the third base concourse behind Section 206 or 208. If you should need medical assistance during the ballgame, please notify your usher or visit the First Aid station. The medical staff is identified by bright green shirts.
Food & Beverages
Outside food and beverage, including cake and cupcakes, are not permitted into Nymeo Field at Harry Grove Stadium with the exception of one clear, factory sealed water per person or an empty, reusable bottle. Arrangements may be made on a case-by-case basis for valid medical purposes with the prior consent of Keys management. Please contact (301) 662-0013 to make arrangements.
Foul Balls
Baseballs and bats may enter the seating area and fans are reminded to stay alert at all times. Fans are free to keep foul balls that are hit into the stands. All sections, as well as our grassy areas, are located behind the protective netting. The Frederick Keys are not responsible for any injuries resulting from objects flying into the seating area from the field and ask all fans to remain alert at all times.
Fundraisers
A Keys fundraiser offers a fun, effective way to raise funds for your organization. Choose a date and a rain date for your event that best fits your schedule, and then sell the significantly discounted tickets at whatever price you choose - and you keep all the profit! Call our Group Sales Department at (301) 815-9900 to find out more information and begin raising funds today.
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Gate Entry Policy
Gates open one hour prior to all Keys games. Please note that all game times are subject to change. All fans and their personal items are subject to physical searches prior to entry into the stadium. Umbrellas and cameras are allowed as long as they do not obstruct or distract from other fans' enjoyment of the game. The Keys reserve the right to confiscate items not meeting this policy. Guests are encouraged to return unauthorized items to their vehicles. The Keys management cannot safeguard items which are not permitted to be brought into the stadium.
Giveaways
A limited number of premium giveaways will be issued to fans entering the stadium for certain games. Please remember that possession of a game ticket does not ensure or entitle the holder to a promotional item on that date and that only one item will be distributed per person. Giveaway items are issued per person, not per ticket, and fans must be physically present to receive a giveaway. Giveaways will be conducted at the front gate when gates open, which is one hour prior to all Keys games. Please note that all game times and giveaway dates are subject to change.
Group Events
Group outings are the best way in town for your co-workers, church groups, team members, civic organizations or family reunions to enjoy an exciting night of entertainment without straining your wallet. Tickets must be purchased in advance through our Group Sales Department to receive special pricing and other benefits for your group. Call our Group Sales Department at (301) 815-9900 to find out more and make your reservation. All groups receive: discounted tickets and group welcome on the scoreboard and public address system.
Guest Services Center (presented by Nymeo Federal Credit Union)
The Nymeo Guest Services Center is located on the main concourse facing the front gates to Nymeo Field at Harry Grove Stadium. Here, guests may obtain information, offer suggestions, voice concerns and request assistance from our guest services booth representative. Fans can also sign their children up for the Junior Keys Club here. Lost and found items are handled here as well.
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Injuries
Please report all injuries to the nearest usher, stadium personnel or first aid personnel. First Aid is located on the third base concourse behind section 206 or 208. FANS VOLUNTARILY ASSUME ALL RISK AND DANGER of personal injury and all hazards from, or related in any way to, the event for which this ticket is issued, whether occurring prior to, during, or subsequent to the event, including, without limitation, injuries caused by thrown bats or balls. Holder agrees that Attain Sports, the South Atlantic League, Nymeo Field at Harry Grove Stadium, and the participating clubs, are expressively released by the holder from claims arising from or any way related to such injury or hazards.
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Keys Care
Keys fans are welcome to make contributions to our charitable beneficiary, Keys Care, also known as The Joel A. Stephens Memorial Fund, a component fund of the Community Foundation of Frederick County at the Nymeo Guest Services Center, by calling (301) 662-0013 or by spinning the prize wheel at a Keys game for a small donation. Nonprofit organizations that provide direct services to our Frederick County youth and young adults are eligible for consideration for a grant from Frederick Keys Care.
Kids Courtesy Admission (presented by Mother Seton School)
Youth athletes in uniform 12 years of age and under will be admitted free to any Sunday through Thursday regular season home game with the purchase of a regularly priced adult ticket at the Keys Box Office on the day of the game. Athletes must present themselves in their youth sports uniform at the Keys Box Office on the day of the game and at time of purchase of adult ticket, to receive their free ticket. Athletes will receive best available tickets (Field, Reserved, or General Admission), comparable to the purchased regular adult ticket.
Kids Club
The Jr. Keys Club is FREE to join for all kids ages 3-12! The Jr. Keys Club features savings on items at the team store, three complimentary tickets, a hot dog, and more! Visit the Jr Keys Club page for more information and to sign up.
Kids Run the Bases (presented by Stulz Air)
Following every Keys home game, children 12 and under can run the bases. Kids Run the Bases will take place following the conclusion of either the game or fireworks. A public address announcement will notify fans the order of post-game activities. Children who wish to run the bases should line up at the gate along the right field foul pole. Parents are permitted to stand in line with smaller children, and are then asked to wait at the exit near the first base dugout while the child runs the bases. Parents are not allowed to wait on the field or dugouts. Every child is allowed to run the bases once. Children will exit the field at the first base dugout.
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Major League Affiliation
In 2026, the Frederick Keys are returning as the High-A affiliate of the Baltimore Orioles. Previously, the Keys were the Class A-Advanced affiliate of the Baltimore Orioles from 1989-2020 and a founding member of the MLB Draft League from 2021-2025.
Mascot
Keyote, the Keys' mascot, will be present at all Keys games. He is available for pictures or to sign autographs. For information regarding public appearances by Keyote, check out our mascot appearance page!
Mattress Warehouse Club
The Mattress Warehouse Club offers guests a fine dining experience, coupled with the excitement of Keys baseball. Enjoy our delicious upscale menu served buffet style in our climate-controlled restaurant. Mattress Warehouse Club guests view the game from Club Box seats on the Suite Level of Nymeo Field at Harry Grove Stadium and are attended to by wait service throughout the game. The Mattress Warehouse Club is perfect for individuals or groups looking for a unique baseball experience. Contact the Keys Group Sales Department at (301) 815-9900 for more information.
Military Discount
Active duty military, reserve, National Guard, and retired service members with a valid military I.D. can save on Reserved (200 level) and General Admission tickets for all regular season and playoff home games at our box office.
Military discount may not be combined with any other discount or offer.
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Nymeo Field
Nymeo Field at Harry Grove Stadium is located at 21 Stadium Drive, Frederick, MD 21703 and has been the home of the Frederick Keys since 1990. Seating capacity is 5,400.
Nymeo Money
Nymeo Money are gift certificates that spend like cash. They are available in $1, $5 and $10 denominations and are redeemable for concessions, at the Team Store, for game tickets and for attractions and games in the FunZone. They are redeemable at any time during the season as well as in the Team Store during home games. Nymeo Money can be purchased in person at the stadium box office or by phone by calling (301) 815-9939 during normal business hours.
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Official Game
A game is official after 4-½ innings if the Keys are ahead otherwise 5 full innings must be completed for a game to be official.
Opening of Gates / Entry Times
See Gate Entry Policy.
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Parking
Parking is free for all Keys home games. Parking is available in the main lot directly in front of Nymeo Field at Harry Grove Stadium on Stadium Drive. A secondary lot is also available off of New Design Road, in the old Trinity School lot. Handicap accessible parking spaces are available in front of the stadium. Guests with parking passes to the game are encouraged to park in the designated Reserved Parking area in front of Nymeo Field at Harry Grove Stadium.
Picnics
All-you-can-eat picnic buffets are served in our tented picnic pavilion, located on the third base concourse, as well as our Courtyard area behind section 205. These areas are perfect for company outings, family celebrations, church groups and social club gatherings. Picnics with the Keys are a great affordable option for any group outing. Contact the Keys Group Sales Department at (301) 815-9900 for more information.
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Rain Out Policy
If five innings of a game are not completed (4-½ innings if the Keys are leading), game tickets may be exchanged at the Keys Box Office for a comparable ticket of equal or lesser value to any remaining 2026 regular season home game, based on availability. There are NO refunds. In the event the game is shortened, but official, or the second game of a doubleheader is rained out, there is no rain check or refund. Tickets may be exchanged any time after the game has been called and do not need to be exchanged the same day as the rainout. The exchange of tickets can only be done in person at the Box Office. To find out the latest weather-related game information, check www.frederickkeys.com, Facebook (@FrederickKeys), Instagram (@FrederickKeys), or X (@FrederickKeys) regularly for updates. We will report any news on our home page first.
Re-Entry
Fans wishing to leave the ballpark and re-enter may do so anytime during the game. Upon leaving, the ticket holder's hand will be stamped. Re-entry to the ballpark requires a visible hand stamp, as well as a valid ticket to the current game.
Restrooms
All restrooms in the stadium are ADA accessible and are equipped with baby changing stations. Restrooms are located on the main concourse directly behind sections 207 and 208.
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Umbrellas
Umbrellas are allowed, but they cannot be opened in the seating bowl if they obstruct the view of anyone sitting around or behind you.
Upgrade Tickets
General Admission and Reserved Seats can be upgraded, based on availability, at any time in person at the Keys' Box Office. The upgraded ticket charge is the difference in price between the price paid for the original ticket and price of desired ticket.
Ushers
To make your gameday experience more enjoyable, ushers will be positioned throughout the stadium during all Keys games. Ushers are easily identifiable by their orange Keys shirts. Please contact an usher if you have questions, concerns, or need immediate attention.
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Website
FrederickKeys.com is the best source for breaking news, upcoming promotions, exclusive audio, and everything else any Keys fan could ever need. Sign up for the Keys online newsletter to receive information on upcoming events, special offers and promotions. Also, stay connected with the Keys this season by following us on Facebook (@frederickkeys), X (@FrederickKeys) and Instagram (@frederickkeys) to receive up-to-the-minute information, game updates, ticket giveaways, and more!
Will Call
The Will Call window is located at the Frederick Keys Box Office, just to the right of the main gate. Proper photo identification is required when picking up tickets and only the ticket holder of record will be allowed to pick up the tickets. Will Call opens an hour and half prior to first pitch. Fans may pick up Will Call tickets in advance by going to any open Box Office window and presenting proper photo identification. Fans wishing to leave tickets at Will Call may do so, provided they are in a Frederick Keys ticket envelope which can be obtained at the Box Office.