Sounds like too many choices, too much research, too much internet.
Make a choice, book your first 3 days, then stop researching, step away from the internet. Go wherever it is, meet people, explore, talk to people, follow their suggestions, wing it.
It sounds like you might be more attached to the excitement of the idea rather than the actual experience. Go have some experiences, it doesn't matter if some of them are imperfect or even subpar, it's just life, go live it, you have the means and nothing else you have to do.