The below table, compiled in October 2015 shows how South Australian senators have voted in Canberra on the topic of increasing marine conservation. Matters voted upon pertaining to South Australia include super-trawlers, threatened species protection, seismic testing for oil and gas off Kangaroo Island, Commonwealth marine parks and a moratorium on the issuing of oil and gas leases. Many of the remaining national matters related to the Great Barrier Reef in Queensland. The analysis and the methodology behind these results is explained in detail at TheyVoteForYou.org.au . Each of the politicians’ pages are individually linked below. You can also see how all senators and representatives Australia-wide voted on increasing marine conservation here.
| Senator | Commenced | Party | Increasing marine conservation |
| Bernadi, Cory | 2006 | Liberal | Voted moderately against |
| Birmingham, Simon | 2007 | Liberal | Voted moderately against |
| Day, Bob | 2014 | Family First | Never voted |
| Edwards, Sean | 2011 | Liberal | Voted very strongly against |
| Gallacher, Alex | 2011 | Labor | Voted strongly against |
| Hanson-Young, Sarah | 2008 | Greens | Voted very strongly for |
| McEwen, Anne | 2005 | Labor | Voted moderately against |
| Ruston, Anne | 2011 | Liberal | Voted very strongly against |
| Wong, Penny | 2002 | Labor | Voted a mixture of for and against |
| Wright, Penny | 2011 | Greens | Voted very strongly for |
| Xenophon, Nick | 2008 | Independent | Voted moderately for |