Taking photos of any government properties is strictly prohibited without permission. Don't photograph airports, government buildings, or anything of military or strategic value. Local folks including children are generally averse to foreigners taking their picture. As a general rule, it is not advisable to bring a camera while walking around town as this can cause real trouble with the police.
Equatorial Guinea has tropical weather and is normally very hot. It is best to wear lightweight clothing. Avoid wearing dark colors due to mosquito concerns.
Equatorial Guinea despite being a country with enough resources and is the country with the highest economic growth in Africa, does not provide any legal certainty for European, American or Asian working within the country.
Local people are very hospitable and have a certain affection for everything related to Spain, you should not forget that until 1968 was a Spanish province the short lived democracy in the country was installed by the Spaniards, taking the last century as the beginning of the presence of settlers in the inland areas of the country where had a large number of farms in particular. In addition, half of the country's population emigrated to Spain between 1966 and the 1990s.
You must visit with a guide and need special permits in some locations. Consult to the website of the Ministry of Foreign Affairs where information using extended over the areas of risks.
An organized tour is recommended to avoid unpleasant situations with military checkpoints on the roads especially in the island of Bioko, where the presence of Westerners is obvious and therefore the risk is particularly evident.
Food/Water: There are no 'potable' or clean water sources in Equatorial Guinea. Travelers should drink only bottled water. Take care when consuming any fruits or vegetables that may have been washed or drinks that may contain ice cubes or 'water' additives such as coffee, tea, lemonade, etc.
Wear Shoes: Beaches in Malabo and Bata are beautiful however, due to discarded trash and unsafe sand bugs it is a good idea to always wear shoes. This applies to walking on carpeted areas as well.
Malaria Medicine: Malaria is a leading cause of death in this country. It is advised that visitors consult their doctor for malaria tablets.
US citizens do not require a visa, but do need the following to present when entering EG: 2 visa applications, 2 passport photos, bank statement noting a minimum of $2,000 in your account, & proof of smallpox, yellow fever, & cholera vaccinations.
All others need to submit to an EG embassy all of the above plus passport in order to receive a visa. In Washington, the fee for the visa is US$100.
The colonial language is Spanish, and the country is also a member of La Francophonie. There is an Anglophone population in Bioko that is historically linked to British commerce on the island. Languages such as French and Portuguese are of official use in the country as well. English is spoken by a few people, even in the capital city.