The flag of Saint-Martin is an unofficial flag of the dependent territory of France, located in the Caribbean. The official flag is the flag of France .
| Overseas Community Flag Saint martin | |
|---|---|
| Saint martin | |
| France | |
 | |
| Proportion |  2: 3 |
An unofficial flag is used to highlight the differences between the island and Guadeloupe , to which it submits.
The color of the unofficial flag is similar to the flag of the Dutch part of the island .