Double-wide masking tape. It's my favorite thing for basting! It's 2" wide, so you can really get a good grip on the floor (or island, or whatever you're trying to adhere), and you can still have plenty on the quilt back. I've basted regular fabric and minkee using this masking tape, and I love it so much I just bought my second roll.
I got this masking tape at the paint store, but I think you could probably find it at any store where they sell paint.
*This post was not sponsored by double-wide masking tape. They are my own opinions and I just think it's awesome!*