Although there are different ways to get Caribbean Visa but the CBI is the most popular one. There are many countries but passport of Saint Kitts and Nevis means a lot as they many facilities and easy visa which other countries do not give. You can read the requirements here, https://immigrantinvest.com/citizenship-saint-kitts-and-nevis-en/.
By making investments in government-approved real estate projects, such as hotel resorts and tourist properties, applicants can become citizens of Saint Kitts and Nevis. La Vida provides a variety of well-established projects, including unique five-star resorts that are run by internationally renowned hotel chains and constructed by the most recognised developers in the Caribbean.