When I create a rectangle, I can hold Space bar to reposition it to a place I want. For some reason this is not possible when I create new artboards, which are also rectangles in a way.

Also this is not possible when I try to reposition a rectangular zone in Intertwine Edit mode, which I hope will be fixed soon too: https://illustrator.uservoice.com/forums/333657-illustrator-desktop-feature-requests/suggestions/45845641-a-rectangular-marquee-in-intertwine-edit-mode-can