DOUBLE BUBBLE. Soak tub—for two. The Tea-for-Two bath from Kohler® measures 6 luxurious feet long (and also comes in other sizes to fit any bathroom). The cast iron construction means it will essentially last forever. Perfect for Zen-inspired baths, this oversize tub is ideal for master bedroom bathrooms. It lists for $3,100.00 and up, depending on size and features.

THE ZEN OF BATHING. Diamond Spas’ stainless-steel Japanese-style tub features double-walled construction to keep water warm longer. It’s 35-inches deep and has a built-in bench seat. Standard diameters are 42 or 48 inches, or you can order a custom size. Also available in copper. It costs about $7,720.

STAND-ALONE LUXURY. The Andrea™ 10 tub from MTI Whirlpools features a roomy, rectangular shape that measures nearly 72 inches long. This freestanding tub adds a solitary, artistic element to a bath. Fill it to the brim (it holds 78 gallons of blissfully soothing warm water) and relax. Get it for $3,850 to $7,200, depending on the options.