Hadlock Field

Hadlock Field

The ballpark in 2024
Hadlock Field Location within Maine Hadlock Field Location within the United States
Interactive map of Hadlock Field
Full name	Delta Dental Park at Hadlock Field
Address	271 Park Avenue Portland, Maine, United States
Coordinates	43°39′25″N 70°16′42″W
Owner	City of Portland
Operator	City of Portland
Capacity	7,368
Surface	Grass
Field size	Left 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
Groundbreaking	May 21, 1993
Opened	April 18, 1994 (1994-04-18)
Expanded	1995, 1998, 2002, 2006
Cost	$3 million ($6.52 million in 2025 dollars)
Architect	William E. Whited Inc.
Project manager	The Public Works Department of the City of Portland
General contractor	The 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. It 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.