Hadlock Field

Hadlock Field
The ballpark in 2024
Hadlock Field
Location within Maine
Hadlock Field
Hadlock Field (the United States)
Interactive map of Hadlock Field
Full nameDelta Dental Park at Hadlock Field
Address271 Park Avenue
Portland, Maine, United States
Coordinates43°39′25″N 70°16′42″W / 43.65694°N 70.27833°W / 43.65694; -70.27833
OwnerCity of Portland
OperatorCity of Portland
Capacity7,368
SurfaceGrass
Field sizeLeft Field: 315 feet (96 m)
Center Field: 400 feet (120 m)
Right Field: 330 feet (100 m)
Public transit Downeaster at Portland
Greater Portland Metro: 5
Construction
Broke groundMay 21, 1993
OpenedApril 18, 1994 (1994-04-18)
Expanded1995, 1998, 2002, 2006
Construction cost$3 million
($6.52 million in 2025 dollars)
ArchitectWilliam E. Whited Inc.
Project managerThe Public Works Department of the City of Portland
General contractorThe Sheridan Corporation
Tenants
Portland Sea Dogs (EL) 1994–present
Portland High School Bulldogs (MPA) 1994–present
Website
portlandmaine.gov

Delta Dental Park at Hadlock Field is a minor league baseball stadium in Portland, Maine. The stadium is home to the Portland Sea Dogs of the Eastern League and the Portland High School Bulldogs baseball team. The stadium is owned by the city and leased to the Sea Dogs, a Boston Red Sox affiliate owned by Diamond Baseball Holdings.

The stadium is named for Edson B. Hadlock Jr., a long-time Portland High School baseball coach and physics teacher and member of the Maine Baseball Hall of Fame.