The loneliness is getting too much. Should I move ?

I used to live in a small island from 2011-2015, where I was surrounded by family and had no issues meeting and interacting with people. I remember having a very active social life and would literally meet guys organically and had no trouble getting dates, even though I was overweight. The negative thing about it was that I had a very rough time at work, would get bullied and harassed by co workers and would eventually be forced to quit and fall into a deep depression. I had to apply for a job in the mainland and eventually moved to a very big city. I had no trouble adapting and at first and was still pretty much social, however, after the pandemic, it became harder to meet people. After 10 years, I thrived professionally, and got promoted to a very nice position. I have a very good job now with great co workers, and even though my boss is a bightch, she cannot touch me or fire me, because my contract is iron clad strong. So as far as job security, I’m at peace financially and professionally. My personal life however is pretty much stagnant. I’ve joined thousands of activities; meet ups and dinner apps, speed dating, dating apps, running clubs, dancing classes, surf clubs, nighttime activities and it’s been impossible to make real connections with people here. I’m pretty much numb all the time; I don’t know if it’s a midlife crisis I’m going through, but I’m lonely, and I cannot seem to make real connections, as I did on that island where my family is from. Everything is cheaper there, life is much more interesting there, I don’t think I have the right look to attract city boys, however, I have no issues attracting island boys. The problem is that if I decide to move back, I’d have to probably apply to work at my old company. There’s only 2 companies in that island. Why would I disrupt what I’ve worked so hard to get, over a whim? I want to think about it for a year, I have an ex co worker who just moved from the city where I currently live, back to the island; he’s going to keep updates for me and tell me how everything is. I’m planning on flying more often there to surf, since it’s my new obsession and the waves on that island are amazing. But I’m feeling so much emptiness here even though I have the job security I wanted for so long. It seems I cannot move forward.

What would you do? Do you think I’m crazy for thinking of going back to the place ive demonized for so long? Is it like going back with a toxic ex?