Consistency, long term focus and a strategy to target an audience. You could post on Facebook groups, subreddits, Twitter, etc. When someone who likes crypto or the Caribbean says something, talk back to them with a reggaesteem.io tag at the bottom on whatever you say. Don't be too direct about it. I may try some forums too. Even trip advisor, still haven't made any reviews there and am going to slowly add them as more blogs are made. You'd be suprised how many thousands of lurkers there are.