
Since its foundation, the Society has made many significant contributions to the local community in a variety of ways. The most import achievements are listed here:
| 1959 | founded by Christopher Milne, Col. Richard Webb and John Smith |
| 1963 | published the Plan for Dartmouth, initiating the development of College Way |
| 1968 | helped prevent demolition of Dartmouth's Old Market |
| 1974 | landscaped and planted Crosby Meadow, Dartmouth |
| 1978 | co-promoted Dartmouth's first entry to 'Britain in Bloom' |
| 1985 onwards | searched for ways to build a community arts centre |
| 1993 onwards | lobbied for construction of the Dartmouth Sewage Treatment Plant |
| 1996-2002 | helped prevent over-development at White Rock, Paignton |
| 1999 | spun-off the Flavel Centre Project, leading to the opening of The Flavel in 2005 |
| 2000 | commissioned the first set of Blue Plaques in Dartmouth and Kingswear |
| 2001 | helped improve the design of residential development at Dart Marina |
| 2004 | established the Dartmouth Heritage Trail |
| 2009 | Society's Fiftieth Anniversary |
| 2009/2010 | campaigned against over-development at Noss Marina |
| 2010/2011 | assisted in appraisal of Dartmouth and Kingswear Conservation Areas |
| 2010/2011 | leading role in responding to Local Development Framework proposals |