Just wondering....Indoor Tri???

I am training for my very first sprint tri hopefully spring or summer of next year.  (I have a long way to go).  Currently, I am doing the Couch Potato to 5K in 16 weeks and biking some as well.  I need to take a refresher swimming class to get my strokes right again (was a life guard in another life, but that was YEARS ago).

So I am wondering, if any of you NCers know of any sprint triathlons that might be held indoors say at a YMCA?  I read somewhere where this guy did his first Tri at a gym.  Indoor pool, stationary bikes and then treadmill.  I know, I know, you toughies and experienced ones out there would probably think that I am such a wuss, but I think that would be a perfect test to see if I can do this.  Truthfully, I am scared of the swim.  Ever hear of that (indoor tri)?  Do you know if they exist in NC?