I've never heard of a queen trundle. Or anything bigger than a twin - which we have in a guest room. Will be interested to hear other responses.

Never heard of one and can't imagine most bedrooms being big enough for such.

I doubt there is such a thing because of the floor space it would require to be used. I put a trundle bed in our guest room thinking it would be a good way to accomodate my family when they visit. But when it’s being used, there is very little floor space left and the room is amply sized.

Did you try a web search yet? Because I did & came up with quite a few results. Target has this:

queen sized trundle bed @ Target

Yeah but Carol, if you look at the trundle under the queen/full sized bed in the link it’s still a twin, I think the poster is looking for the trundle part in queen/full size as well.

Not sure if anyone saw my hyperlink to search results, but this was @ Google shopping - it's full, not queen though :

You're right, tho - on further investigation, I see only full, not queen size. Wonder if there might be a queen w/ full-size trundle available somewhere...?