@flower-girl
There were more extinctions in the continental Americas compared to Caribbean islands actually. There were 60 million plus Native Indian population throughout the Americas. Around 6 million in Caribbean Island and around 55 million on North and South America continent. In terms of percentage, the Natives on Caribbean Islands suffered more but in terms of total population the Natives on the continent suffered more in comparison.
Several tribes have come and gone and only a few survived in North and South America continent. Since American continents are big and spacious several Indigenous tribes were able to salvage whatever was left of their people and only some were able to rebound their population to where it was before such as the Navajos.
Since Caribbean Islands have smaller land compared to the North and South American continent therefore they were in constant contact with the colonist which didn't allow them to find salvation. Also depends on what defines extinction since several Native Indians are Mestizos and therefore their Native Indian side survives among the present day people. Pure Native population on Caribbean Islands are small but several Mestizos and Chollos identify themselves as Native Indians. The actual pure Natives are likely an admixture of different Natives. In other words, Tainos have admixed possibly with Ingeri who admixed with the Caribs and who admixed with another Native Caribbean Indian and therefore several of them are pure Native Indian still but not exactly pure Taino or pure Carib or pure Ingeri.