Yes, there are mosquitoes and mosquitoes in Cuba, which bite even more painfully than mosquitoes. In hotels and hotels they are poisoned (when requested, and when they are themselves, according to the schedule), but on beaches, especially in the evening in windless weather, there can be a lot of them (but maybe not at all).

Repellents take with it makes no sense. Few of our mosquitoes take Cuban mosquitoes. Perhaps, the tool "Off" will help. It is better to ask what will help the local residents.

There is no malaria in Cuba, so do not be afraid that you will become infected with something after the bite of local midges. The maximum discomfort is itching and allergic reaction

Yes there are mosquitoes in Cuba in summer. It is recommended to take repellents with you. But they can be bought without problems in Cuba.