Maine is home to 13 baseball ballparks: 1 affiliated minor league park, 11 four-year college fields across NCAA Division I and NCAA Division III, and 1 summer collegiate park. The biggest is Delta Dental Park at Hadlock Field in Portland, which holds 7,368. The oldest on record is Delta Dental Park at Hadlock Field, opened in 1994.
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Sorted
Professional1
- Double-ADelta Dental Park at Hadlock Field — Portland Sea Dogs (Portland)opened 1994 · cap 7,368SiteMapEastern League · Boston Red SoxLF 315 · CF 400 · RF 330 ft · 37 ft wall · natural grass · 5,574 avg. attendance (2026)
Park facts
- Known for
- 37-ft 'Maine Monster' replica of Fenway's Green Monster in left
- Named for
- Edson B. Hadlock Jr.
- Former names
- Hadlock Field
- Architect
- William E. Whited Inc.
College · NCAA Division I1
America East
- D-IMahaney Diamond — Maine Black Bears (Orono)cap 4,400SiteMapAmerica East
College · NCAA Division III10
Conference of New England
- D-IIIHome field name unconfirmed — New England Nor'easters (Biddeford)SiteMapConference of New England
Great Northeast Athletic Conference
- D-IIIHome field name unconfirmed — Saint Joseph's (ME) Monks (Standish)SiteMapGreat Northeast Athletic Conference
Little East Conference
- D-IIIEd Flaherty Field unconfirmed — Southern Maine Huskies (Gorham)SiteMapLittle East Conference
NESCAC
- D-IIILeahey Field — Bates Bobcats (Lewiston)SiteMapNESCAC
- D-IIIPickard Baseball Diamond — Bowdoin Polar Bears (Brunswick)SiteMapNESCAC
- D-IIICoombs Field unconfirmed — Colby Mules (Waterville)SiteMapNESCAC
North Atlantic Conference
- D-IIIWinkin Complex unconfirmed — Husson Eagles (Bangor)SiteMapNorth Atlantic Conference
- D-IIIPrescott Field unconfirmed — Maine-Farmington Beavers (Farmington)SiteMapNorth Atlantic Conference
- D-IIIHome field name unconfirmed — Maine-Presque Isle Owls (Presque Isle)SiteMapNorth Atlantic Conference
- D-IIIHome field name unconfirmed — Thomas Terriers (Waterville)SiteMapNorth Atlantic Conference
Summer collegiate1
New England Collegiate Baseball League
- SummerGoodall Park — Sanford Mainers (Sanford)cap 950SiteMapNew England Collegiate Baseball League
Park names link to the official ballpark, team or college athletics site; Map opens directions. Listings cover MLB, affiliated minor league, spring training, NCAA Division I, II and III, NAIA, junior college and summer collegiate home fields for the 2026 season. Shared parks appear once per tenant. Capacity figures vary by source and some include lawn seating. “Unconfirmed” marks a field name not yet checked against the school's own site.
Maine ballpark questions
How many baseball stadiums are in Maine?
Maine is home to 13 baseball ballparks.
Is there an MLB team in Maine?
No. The highest level of pro baseball in Maine is Double-A, where the Portland Sea Dogs play at Delta Dental Park at Hadlock Field in Portland as an affiliate of the Boston Red Sox.
What is the biggest ballpark in Maine?
Delta Dental Park at Hadlock Field in Portland, home of the Portland Sea Dogs, holds 7,368.
What is the oldest ballpark in Maine?
Delta Dental Park at Hadlock Field in Portland, home of the Portland Sea Dogs, opened in 1994.
How do I find the closest ballpark to me in Maine?
Enter your ZIP code or city in Find Closest Ballparks to see the 15 nearest parks, or browse them on the ballpark map. Tap I’ve been here on this page to track every ballpark you’ve attended in your Ballpark Passport.