Midship on C Deck (ship's lowest passenger deck) is located Spa Aquarius (accessed only via staircase (no elevator access). The Spa has a plunge pool, treatment rooms (starboard, named Orchid Suite, Lotus Suite, Lily Suite), separate men / women sauna rooms, unisex steam room, hair salon.
On Saga Ruby, Spa Aquarius was operated by Decleor (company specializing in aromatherapy, phytotherapy, natural skincare, beauty treatments, cosmetics),