Trenton Thunder Ballpark
| Former names | Mercer County Waterfront Park (1994–2012) Arm & Hammer Park (2012–2021) |
|---|---|
| Location | 1 Thunder Road Trenton, NJ 08611 |
| Coordinates | 40°12′12″N 74°45′39″W / 40.2032°N 74.7609°W |
| Public transit | River Line at Cass Street |
| Owner | Mercer County |
| Operator | Garden State Baseball, LP |
| Capacity | 6,440 |
| Field size | Left Field: 330 feet (100 m) Center Field: 407 feet (124 m) Right Field: 330 feet (100 m) |
| Surface | Grass |
| Construction | |
| Broke ground | September 29, 1993 |
| Opened | May 9, 1994 |
| Construction cost | $16.2 million ($34.4 million in 2024 dollars) |
| Architect | Clarke & Caton Faridy Thorne Fraytak P. C. |
| Project manager | Burris Construction Company- Phase 2 |
| Structural engineer | Harrison-Hamnett, P.C. |
| Services engineer | Paulus, Sokolowski & Sartor, LLC. |
| General contractor | V.J. Scozzari & Sons Inc.- Phase 1 |
| Tenants | |
| Trenton Thunder (EL/MLBDL) 1994–present Buffalo Bisons (AAAE) 2021 | |
Trenton Thunder Ballpark, formerly known as Mercer County Waterfront Park and Arm & Hammer Park, is a ballpark in Trenton, New Jersey. It is the home park for the Trenton Thunder, a collegiate summer baseball team of the MLB Draft League. They were previously a Double-A level Minor League Baseball team of the Eastern League (1994–2020). For 2021, it served as temporary home of Triple-A East's Buffalo Bisons, as their regular stadium, Sahlen Field, was being used by the Toronto Blue Jays due to travel restrictions brought on by the COVID-19 pandemic. The official seating capacity is 6,440.