Small hole in the hull

[elpez]

Looking for some advice on how to deal with this, found a small bilster, about 1/8" in the hull, at the keel, about 3' from the back of the boat, it seemed wet so I pushed on it, water started comming out so I probed it with a nail and it went right though, it's been dropping water for two days, but apperars to be almost dry, I can't reach from the interior so any repairs will have to be done from the underside, probably will drill out a bit bigger, clean with acetone, and fill with a fiberglass resin/matt mixture, sand and regelcoat, any suggestions???