Vacation rentals in Sixmile House

I want to be accurate, but I can’t locate an officially recognized city named “Sixmile House” in Maryland. It might be a historic property or a smaller locality, or there could be a naming mix-up with a nearby city or county. Could you share the county or a nearby city (or provide a link or more detail)? Once I have that, I’ll craft a precise 2–3 sentence blurb for the vacation rental page. If you’d like a quick placeholder while you confirm, I can also draft a generic Maryland blurb about outdoor scenery, local attractions, and easy regional access—just say the word.