There are places that repair inflatables. I had an Avon inflatable and scraped it dragging it on a cement dock. Lots of holes and mad at myself for being careless. Took the Avon to a repair place in Seattle and when I went back to pick it up it looked brand new. He didn't repair the holes, he put in an entire new panel. Said it was easier and cheaper. I eventually sold the inflatable without a patch on it. I forgot what he charged me but it was reasonable as I remember.
Today I would go to my local West Marine store and ask where they would get their inflatables repaired. I suspect there are places in most boating centers that they know about.
Good luck.