Mosquitoes and sandflies at the beach
You are worried about bites for your children, or for yourself, and want to plan around them.
Bites are part of many beach holidays, but you can cut them down. Plan the beach for breezy hours, cover up at dawn and dusk, use a repellent that suits your family, and check the room. The rest is knowing what to do if bites still happen.
If you are packing, add repellent to your island packing checklist. For the beach day itself, read a realistic island beach day timeline.
When and where are bites most likely?
Travellers commonly report more bites around dawn and dusk, near trees or mangrove edges, and when the air is still and humid. A steady breeze usually helps. We did not find a sourced rule for any specific island, so ask each resort.
Questions to send:
- Which beaches or areas get the most bites, and at which hours?
- Is the beach in front of my room breezy or sheltered?
- Is there standing water or heavy vegetation near the rooms?
What is the best order of defences?
Think of five layers.
- Timing: sit in breezy spots at dawn and dusk, not in sheltered corners.
- Clothing: light long sleeves and trousers in the evening, closer-woven fabric for sandflies.
- Repellent: apply to exposed skin as the label says, and reapply after swimming.
- The room: screens, fans, nets and closed doors.
- Aftercare: wash, cool and avoid scratching.
Each layer reduces what the next one has to do. For children, ask a doctor or pharmacist which repellent suits their age.
What should you ask the resort about the room?
Bring these to your booking message.
- Do the windows and doors have screens that close properly?
- Is there a fan, air conditioning or a mosquito net?
- Is there any treatment of the grounds, and when?
- Can we get extra repellent or after-bite cream on the island?
- Where is the nearest clinic or help?
Honest answers help you decide whether to bring your own net. Our guide on beach with a toddler: shallow entry, shade and rules lists other things to check for small children.
What if you or your child are bitten?
Stay calm, because most bites are just itchy. Wash with clean water, avoid scratching and keep nails short for children. A cool cloth can soothe the skin.
Ask for help if there is spreading redness, pus, fever or your child seems unwell. We cannot give medical advice. For sun, read sun protection on islands, because heat and bites together can make little ones fretful.
A better fit if…
A bite-aware plan is a better fit if you travel with a toddler, a sensitive sleeper or anyone who reacts strongly. It suits beachfront rooms with a breeze and good screens.
A looser plan may be a better fit if your group is not troubled by bites and you are mostly on the water in daylight. For evenings, see evening activities on islands when the beach closes.
Common questions
When are bites most likely at the beach?
Travellers commonly report more bites around dawn and dusk, near vegetation and in still, humid air. Wind helps. Ask the resort which beaches and hours are worst. We have not found a sourced rule for any island, so treat this as practical advice, not a promise.
Do sandflies and mosquitoes need different care?
Sandflies are tiny and can bite through thin clothing, so closer-woven fabric and repellent on exposed skin help. Mosquitoes are larger, and screens, fans and nets in the room help more. Ask the resort what it provides and bring a repellent you already use.
Is repellent safe for children?
Products and ages differ, so ask a doctor or pharmacist what is suitable for your child, especially a baby. Cover-ups and shade carry a lot of the load. We cannot give medical advice. Test a small area first and keep repellent away from eyes and hands that go to the mouth.
What if bites become swollen or my child feels unwell?
Stop scratching, wash the area and keep it clean. If there is spreading redness, pus, fever or your child seems unwell, ask for medical help. We cannot give medical advice, and island clinics vary. Ask the resort where the nearest help is before you need it.