If you go a few kilometers away from the capital, you’ll meet lots of locals standing along the side of the road and selling fruits. Well, the cheapest fruits can be bought from them.
Be ready to get through careful security check upon arrival. It would be better if you don’t bring camera and binoculars with you at all, they will be removed any way.
Malabo is a very expensive place. In spite of this fact, La Luna restaurant looks terrifyingly expensive while food is not so tasty; even its nice appearance doesn’t save the situation.