Crime has increased significantly on the island over the last decade. Car crime is particularly prevalent, so don't leave valuables in your hire car when you park it at the beach or in town. Muggings are also on the increase, and it's advisable not to walk on unlit areas of the beach or the main towns at night.
Emergency numbers
Ambulance tel 87 86 25 (French side), tel 130 (Dutch side)
Police tel 911 (French side), tel 111 (Dutch side); non-emergency tel 590/87 50 06 or 87 88 33 (French side); tel 599/542-2222 (Dutch side).