"Double spa" refers to a type of spa experience that includes two people or couples relaxing, rejuvenating, or receiving treatments together at the same time. Full definition
1 Bedroom Apartments Feature one queen bed in separate room with capacity for two guests and one bathroom with double spa bath. (palmcoveaustralia.com)
Featuring a marble ensuite with double spa bath, separate spacious lounge area, king size bed, and some with balconies and garden / ocean views. (alluxia.com)
The Main / share bathroom includes large double spa and heated floor. (wikiaustralia.com)