MSSA Racing Marks
Approximate Coordinates & Depth for Club Marks (2017 UPDATE):
| Mark | Description (Depth) | Lat | Long |
| A/G | MSSA Mark A/G (15') | N 40°58.294 | W 073°02.217 |
| O | MSSA Mark O (13') | N 40°58.382 | W 073°01.322 |
| R | MSSA Mark R (41') | N 40°58.823 | W 073°02.975 |
| T | MSSA Mark T (73') | 40°59.952 | W 073°01.453 |
| V | MSSA Mark V (70') | N 40°59.297 | W 073°00.840 |
| Y | MSSA Mark Y (69') | N 40°59.105 | W 073°01.786 |
Coordinates for Government Marks:
| Mark | Description | Lat | Long |
| B | C11 Mt Misery Shoal | N 40°59.297 | W 073°04.801 |
| C | RW Mo(A) Port Jefferson | N 40°59.332 | W 073°06.398 |
| D | G11A Old Field | N 40°59.2249 | W 073°07.281 |
| F | Middle Ground R2 | N 41°03.093 | W 073°06.206 |
| J | C9 Rocky Point | N 40°59.587 | W 072°57.887 |
Coordinates for Club Moorings:
(Note: both moorings are orange with "MSSA" painted on the buoy)
| Mark | Description | Lat | Long |
| A | Port Jefferson | N 40°57.845 | W 073°06.038 |
| B | Mt. Sinai | Eastern End of the Harbor | |
NOTES: The coordinates provided above are correct to the best of our knowledge but are offered for information and reference only. Coordinates for the MSSA marks reflect the updated 2017 locations. Skippers should always verify the accuracy of these coordinates prior to using them for navigational purposes. If you identify any errors or inaccuracies, please let us know via the Site Feedback page.