Beginning March 1, 2015, MasterCard officially began handling credit card transactions by its American cardholders in Cuba, the first US credit card company to do so. However, the range of establishmnets accepting credit cards is limited, and many travelers have reported difficulty using U.S. Mastercards.

I don't think the person who wrote the caption has ever stepped foot in Havana or Cuba. One key reason why Cuba is so safe is that the government’s security is extremely strong and its police force innumerable. However, more importantly, the Cuban people are friendly and do welcome visitors. They also understand how important tourism is to their economy and are looking forward to more Americans visiting following the recent change in U.S.-Cuban relations.

Cuba has two currencies: Pesos Cubanos, or National Currency (CUP), and the Cuban Convertible Peso (CUC).

Tipping is always a nice way to show your appreciation for good service. You can tip in both CUP and CUC.

Accommodations and restaurant rates vary considerably, as anywhere. Here is a detailed break-down of travel budget to Cuba.

Cuba has a very sound health care system. Cubans citizens receive free medical care through a national health service.

There is a network of SERVIMED pharmacies, which require payment in CUC. Here's a list of SERVIMED pharmacies we compiled for tourists in case of emergency.

Cuba does not present any unusual health risks to travelers, but visitors should take routine precautions, such as drinking only bottled liquids.

There is a network of SERVIMED clinics in Havana for tourists in case of emergency. Here is a useful list.

Visitors to Cuba (including Cubans living abroad) are required to have medical insurance adequate to cover medical expenses that may arise while in the country. Travelers may be asked to show proof of such upon arrival, and should check with their insurance companies beforehand to confirm coverage.

Statistically speaking, Cuba is very safe, with the lowest crime rate in Latin America.

Shopping is not Havana's draw, and travelers should bring an adequate supply, even of such personal staples as toothpaste, deodorant and shampoo.

Most of Old Havana is eminently walkable - the best way to experience it. Traffic city-wide tends to be light by most urban standards, as few Cubans own private cars.

Now. If you mean weather,high season is also dry season, and Havana's limited hotels can quickly fill up in this November-April window, when daytime temperatures average in the low 80s.