You need a visa for Cuba if you have a Surinamese passport
Visa options for Cuba
Electronic visitor visa for Tourism
Travelers need a visa to visit Cuba for Tourism. A Cuban eVisa is the fastest and easiest way of obtaining a visa for Cuba because travelers can submit their application and supporting documents online. Once the application is approved, travelers receive their eVisa confirmation number electronically. A valid visa is required to board the flight. If the visa is expired or doesn’t match the traveler’s passport information, travelers will not be able to board their flight.
This is not offered by sherpa°.
Apply on the government site.