| Harwich Mariners | |
|---|---|
 | |
| Information | |
| League | Cape Cod Baseball League (East Division) |
| Location | Harwich, Massachusetts |
| Ballpark | Whitehouse Field at Monomoy Regional High School |
| League championships | 1933, 1983, 1987, 2008, 2011, 2024 |
| Colors | Red, White and Navy |
| Manager | Steve Englert |
| General Manager | Kevin Boggan / Alex Lumb |
| President | Mary Henderson |
| Website | www.capecodleague.com/harwich/ |
The Harwich Mariners are a collegiate summer baseball team based in Harwich, Massachusetts. The team is a member of the Cape Cod Baseball League (CCBL) and plays in the league's East Division. The Mariners play their home games at Whitehouse Field in the historic village of Harwich Center.
Harwich has won three CCBL championships in the 21st century, most recently in 2024 by defeating the Bourne Braves two games to one to win the best of three championship series. The title was the team's fifth in the CCBL's modern era and sixth overall. The team has been led since 2003 by field manager Steve Englert.