There is such a thing.
Im in the same boat as you. Ive been playing shortscales after discovering them after playing for 15 yrs of a little struggling. But today I just ordered a 30" scale 6 string bass. Not sure how it plays or sounds yet. It must be made cheap because it sells for only $299 believe it or not. The brand is Brice. Go to buzzardsbass.com and you'll see it. I have a custom one in the making but the luthier got really sick so he hasnt been able to finish it. Its a beautiful 5 string neck thu in a 30" scale. Its been a year since, so Ive decided to try the Brice only because its cheap and I cant wait any longer. But the Brice looks pretty decent. I ordered the 6 string because its lenght is 40 inches long. I wanted the 5 string but it is 44 inches long. Dont know why that is since theyre both 30 inch scales. Anyway, check it out.