Mosquitoes were not around when I was there in December. There are sand fleas on the beaches so watch out for them. Jellyfish are there in the summer not this time of year. A good repellant should be worn and some outside restaurants have the spray can right on the table.

Same here.... we did not have a problem with mosquitos on St John (or the days we visited St Thomas) while there the week of Thanksgiving. I had heard stories about noseeums before going, and made sure to take a repellant with a high percentage of DEET. Only used it once when I knw we were hiking on St John in the late afternoon, but had no problems whatsoever. There is also a prescription that is recommended - Diprolene .05% ?? If you search these boards for 'noseeums' you may find that exact name. Have a great trip!!

Hello,

Mosquitos, well as a local - they don't bother me at all. LOL 🙂 Hardly notice them. Now I have always joked with friends and family that come to visit, that mosquitos can smell and pick out new blood (I know it sounds funny). Often when I would go out with a visitor they would get bitten more then I would. Mosquitos are here, often not a problem though. They do become problematic during rainy times. Mosquitos breed in water, so when it rains the puddles and stagnent water pools attract mosquitos. As Eddie mentioned, some restaurants that are outdoors which is lovely, have mosquitos hiding under the tables waiting to bite you, if you have a problem with that, ask the wait staff for Off mosquito repellent - often they have some for your use. Also on beaches the no-seem-ums will get you, especially in the evenings and again when its raining or overcast.

There are jelly fish, but only during certain months, often summer time, and beaches that jelly fish come in too, will often post a large sign to warn you that jelly fish are in and to beware of them. Magens Bay actually is one of the these beaches that jelly fish come to, and the staff there always have the sign out during these times. Ive swam many many times at Magens and at other beaches on all the island in the USVI and never been stung by jelly fish, I have seen them while swimming, snorkeling - and was able to get out of there way.

Sea Urchins are present all year round, and are often found in rocky areas, they stick to the rocks, so are often found in the coastline of the beaches, not really found in the sandy areas, unless there is a coral or rock formation within the sandy area. They are fairly easy to spot, often fist size along rocky coast lines, and out deeper are perhaps the size of a cantelope or larger in deeper waters. So while snorkeling look out for them.

--Islander