Nymeo Field at Harry Grove Stadium

High-A
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Nymeo Field at Harry Grove Stadium is a ballpark in Frederick, Maryland, home of the Frederick Keys, the High-A affiliate of the Baltimore Orioles in the South Atlantic League. It opened in 1990, making it 36 years old in 2026 and seats about 5,400 fans. $39 million upgrade built 2025-26.

The closest MLB stadium is Oriole Park at Camden Yards in Baltimore, about 43 miles away.

Ballpark facts

Location
Frederick, Maryland
Home of
Frederick Keys (High-A)
League
South Atlantic League
MLB affiliate
Baltimore Orioles
Opened
1990
Capacity
5,400
Dimensions
Center 400 ft · Right field 325 ft
Roof
Open air
2026 attendance
2,779 per game
Named for
Harry Grove
Former names
Harry Grove Stadium
Big events
Carolina-California League All-Star Game (2005)

Ballparks near Nymeo Field at Harry Grove Stadium10

  1. 1D-IIIFCC Baseball Field — Hood Blazers (Frederick, Maryland)same city
  2. 2JUCOFrederick CC Cougars Baseball Field — Frederick CC Cougars (Frederick, Maryland)same city
  3. 3D-IStraw Family Stadium — Mount St. Mary's Mountaineers (Emmitsburg, Maryland)19 mi
  4. 4D-IIFairfax Field — Shepherd Rams (Shepherdstown, West Virginia)22 mi
  5. 5SummerCriswell Automotive Field at Kelley Park — Gaithersburg Giants (Gaithersburg, Maryland)22 mi
  6. 6JUCOHagerstown CC Hawks Baseball Field — Hagerstown CC Hawks (Hagerstown, Maryland)22 mi
  7. 7D-IIIPreston Field — McDaniel Green Terror (Westminster, Maryland)24 mi
  8. 8SummerFireman's Field — Purcellville Cannons (Purcellville, Virginia)25 mi
  9. 9SummerFirst Responder Field by ServPro at OBGC Park — Olney Cropdusters (Olney, Maryland)26 mi
  10. 10JUCOMontgomery College Raptors Baseball Field — Montgomery College Raptors (Rockville, Maryland)27 mi

Questions about Nymeo Field at Harry Grove Stadium

Where do the Frederick Keys play home games?

The Frederick Keys play at Nymeo Field at Harry Grove Stadium in Frederick, Maryland.

When did Nymeo Field at Harry Grove Stadium open?

Nymeo Field at Harry Grove Stadium opened in 1990.

How many people does Nymeo Field at Harry Grove Stadium hold?

Nymeo Field at Harry Grove Stadium has a capacity of about 5,400.

What is the closest MLB stadium to Nymeo Field at Harry Grove Stadium?

Oriole Park at Camden Yards in Baltimore, Maryland, about 43 miles away.

What other ballparks are near Nymeo Field at Harry Grove Stadium?

FCC Baseball Field is also in Frederick. See the full list of nearby ballparks on this page.

Facts are for the 2026 season. Distances are straight-line miles between city centers. Capacity figures vary by source and some include lawn seating. See something wrong? Let us know. Is this your ballpark? Get the “Listed on Inside the Park” badge for your website.