Hadlock Field is a minor league baseball stadium in Portland, Maine, opened in 1994 and home to the Portland Sea Dogs. The park is known for its intimate setting and a distinctive right-field wall nicknamed the “Maine Monster.”
Facilities include a seating bowl for roughly 7,000 spectators, concession areas, and hospitality spaces used during the baseball season and for special events. The stadium layout places fans close to the action with good sightlines from most sections.
The ballpark was built specifically as a minor league venue for the Sea Dogs and has hosted regular-season games, playoffs and community events since opening. Its design intentionally echoes classic ballpark features while including modern amenities.
Hadlock Field is located in Portland’s East End near Back Cove and is accessible by local roads from downtown Portland and surrounding communities.
- Home team and opening year: Opened in 1994 and serving as the home of the Portland Sea Dogs, the venue is a Double-A minor league baseball stadium affiliated with the Boston Red Sox.
- Capacity: Seating capacity is roughly 7,000 spectators, making it a medium-sized minor league ballpark suited for seasonal baseball and community events.
What to See#
- Maine Monster: The right-field wall known as the “Maine Monster” is a prominent outfield feature standing approximately 37 feet (about 11 metres) high and affects outfield play on the short right-field side.
- Seating and amenities: The ballpark’s seating bowl and concourses include general admission and reserved sections along with hospitality areas and group facilities used for minor league events and local functions.
Nearby Attractions to Hadlock Field#
Best Time to Visit Hadlock Field#
Best visited during the minor league season (spring and summer) for games and the full ballpark atmosphere.
Weather & Climate near Hadlock Field#
Hadlock Field's climate is classified as Warm-Summer Continental - Warm-Summer Continental climate with warm summers (peaking in July) and freezing winters (coldest in January). Temperatures range from -11°C to 27°C. Abundant rainfall (1164 mm/year), wettest in November, distributed fairly evenly throughout the year.
| Month | Comfort | Temp | Feels | Rain | Sky | Humidity | Wind | UV | Daylight |
|---|---|---|---|---|---|---|---|---|---|
| January | - | -11° - 0° | -12° | 98 mm | - | - | 4.7 m/s | - | - |
| February | - | -9° - 2° | -10° | 83 mm | - | - | 4.8 m/s | - | - |
| March | - | -4° - 6° | -3° | 106 mm | - | - | 4.9 m/s | - | - |
| April | - | 1° - 12° | 4° | 108 mm | - | - | 4.6 m/s | - | - |
| May | - | 7° - 19° | 13° | 96 mm | - | - | 4.2 m/s | - | - |
| June | - | 12° - 24° | 18° | 86 mm | - | - | 3.9 m/s | - | - |
| July | - | 15° - 27° | 21° | 83 mm | - | - | 3.5 m/s | - | - |
| August | - | 15° - 26° | 20° | 82 mm | - | - | 3.5 m/s | - | - |
| September | - | 10° - 22° | 16° | 86 mm | - | - | 3.8 m/s | - | - |
| October | - | 4° - 15° | 7° | 108 mm | - | - | 4.3 m/s | - | - |
| November | - | -1° - 9° | 0° | 119 mm | - | - | 4.5 m/s | - | - |
| December | - | -7° - 3° | -8° | 109 mm | - | - | 4.8 m/s | - | - |
How to Get to Hadlock Field#
Hadlock Field sits south of downtown Portland, adjacent to Hadlock Park. From Portland’s Union Station it’s a short drive (about 10 minutes) or a 25-30 minute walk; limited on‑site parking is available and local buses serve nearby stops on Park Avenue. Consult the Sea Dogs website for event parking and shuttle details.
Tips for Visiting Hadlock Field#
- Check the Portland Sea Dogs schedule in advance - many promotional nights sell out quickly.
- Sit along the third‑base side for shade in afternoon games; the grandstand behind home plate gives the classic view of the field.
- Arrive early to see the grounds crew perform their meticulous pregame grooming - a ritual beloved by local fans.
