Oppo I need help!

I'm going to take two weeks off from work in October. I need travel tips.

These are the places I have in mind:

Cuba

Oppo I need help!

French Polynesia

Oppo I need help!

Monaco

Oppo I need help!

I know October isn't the best month, but it's the best I got. Have you ever been to one of those places, any opinions?