The simple, smooth contours of this Victoria + Albert tub are well-suited to this principal bathroom’s minimalist style.

An arch accentuates the sculptural shape of this oval tub in designer Silvana D’Addazio’s principal ensuite. Sheer blinds add to the room’s airy feel.

A clawfoot tub and antiqued-brass fixtures lend designer Allison Willson’s principal ensuite a vintage-inspired appeal.

Built-in shelves keep towels close at hand in designer Corinne Isherwood’s own principal bath. Traditional Shaker-style cabinets balance the tub’s contemporary feel.

To create the feel of alfresco bathing in her own principal ensuite, designer Bobbie Burgers opted for a sliding door over windows, and brought some greenery indoors.

Designer Nam Dang-Mitchell framed this freestanding tub with thick, two-toned drapes. “It makes a bathroom feel more civilized and less clinical — like it’s an extension of the rest of the home,” she explains.

In Lynda Reeves’ bathroom, the size and oval shape of the IOS Volcanic Limestone tub by Victoria + Albert tub is “perfectly in scale with the space,” she says. A mix of pale woods, creamy paint and brass accents add to the luxurious feel.

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A midnight blue tub is a fitting choice for designer James Davie’s unconventional principal ensuite. Marble floors with purple veining create a sense of movement, while burgundy hand-glazed tiles offer a moody backdrop for the tub.

A delicate flower motif creates a cocooning effect around the tub in this principal ensuite. “I think it’s such a pretty focal point, and it softened the room,” explains designer Brian Gluckstein of the choice.

A modern white oak vanity adds an element of warmth amid the cooler tones in designer Effie Genovese’s principal ensuite.

A trad pendant hung above the tub allows for many a late-night soak in this dainty bathroom. A porcelain honeycomb tile adds interest underfoot.

Unlacquered brass fixtures bring a touch of glam sophistication into this traditional bathroom by Mazen El-Abdallah.

A custom-made radiator cover doubles up as a shelf for bath soaps in this tranquil principal bath. The tub’s sculptural form is a pleasing departure from the ensuite’s otherwise linear appearance.

A black marble pedestal establishes this egg-shaped tub as the focal point of the bathroom and provides a hit of contrast amidst all the white.

A shapely tub pairs well with the rich woods and exotic patterns found in this bathroom by designer Sam Sacks.

Matte black accents — including the fixtures, light and tub — punch up this principal bathroom’s otherwise stark white envelope.

A rustic wooden tub tray introduces an element of natural texture against the hard surfaces in this all-white principal bath.

To take advantage of sweeping lakeside views seen from this principal bathroom, designer Cory DeFrancisco placed the tub next to a large bank of windows.

A skylight above the tub at this Vancouver cottage allows for long soaks with ample natural light. A ladder propped against the wall is a stylish way to keep towels nearby.

To boost the luxe factor in this modest principal bathroom, designer Margot Austin opted for a roll-top tub with an extra deep basin.

A rectangular tub is an elegant addition to this sunlit ensuite by designer Ashley Botton. A floating white oak vanity and large storage cabinet keep surfaces uncluttered.

A photograph of cherry blossoms prevents this white, boutique-inspired ensuite from feeling too stark. To ensure the photo was moisture-resistant, designer Samantha Farjo had it printed on metal.

Actor Yannick Bisson left the windows in his principal ensuite unadorned to take advantage of lush wooded views while in the bath.

Designer Colette van den Thillart aptly described this polished-nickel tub as “the jewel of the room.” Handsome hardware, sumptuous drapery and honed marble floors add to the luxe feel of this glamorous bathroom.

A moody silk wallpaper frames the tub in this feminine bath retreat by designer Betty Theodoropoulos.

Designer Kristen Marshall paired a matte tub with traditional hex tiles for a classic-meets-modern aesthetic. An inset shelf keeps bathroom essentials close at hand and offers room for display.

In architect Darcie Watson’s show-stopping principal ensuite, an angular tub sits opposite a veined marble fireplace.

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To up drama in this luxe principal bathroom, designer Nam Dang-Mitchell coupled hex-patterned marble floors with a rounded tub placed on a dynamic angle.

An elegant polished-tin tub makes a simple yet striking statement in this woodsy principal ensuite by designer Tim Johnson.