Plastic — or more precisely, acrylic — is the most popular bathtub material for adults for a reason: it’s warm to the touch, lightweight enough to install without reinforcing your floor, and available in every size and style at a fraction of the cost of cast iron or stone.

These five plastic bathtubs for adults cover alcove, freestanding, and large-format options so you can find the one that fits your bathroom, your plumbing, and your budget.

Feature	WOODBRIDGE 60″ Alcove BA6030R	WOODBRIDGE B0014 59″ Freestanding	WOODBRIDGE B0013 67″ Freestanding	ANZZI Ami 67″ Freestanding	Kingston Brass 60″ Alcove
Image		[Image loads via plugin]
Dimensions (L x W x H)	60″ x 30″ x 21″	59″ x 29.5″ x 24″	67″ x 29.5″ x 24″	67″ x 31.5″ x 24.5″	60″ x 30.7″ x 22.2″
Installation Type	Alcove (3-wall)	Freestanding	Freestanding	Freestanding	Alcove (3-wall)
Material	LUCITE Acrylic + Fiberglass	LUCITE Acrylic + Fiberglass	LUCITE Acrylic + Fiberglass	Acrylic (Glossy)	Acrylic + Fiberglass + Resin
Water Capacity	~50 gallons	~55 gallons	~60 gallons	79 gallons	58.2 gallons
Slip-Resistant Floor	Yes	Yes	Yes	Yes	Yes
Drain Included	Yes (pop-up)	Yes (overflow + drain)	Yes (overflow + drain)	Yes (overflow + drain)	Holes only (drain sold sep.)
cUPC / Certified	Yes	Yes	Yes	Yes	Yes
Buy Now

 

Product	Image	Dimensions	Install Type	Capacity	Slip-Resistant	Drain Included	Certified	Buy Now
WOODBRIDGE 60″ Alcove BA6030R		60″ x 30″ x 21″	Alcove	~50 gallons	Yes	Yes (pop-up)	Yes
WOODBRIDGE B0014 59″ Freestanding	[Image loads via plugin]	59″ x 29.5″ x 24″	Freestanding	~55 gallons	Yes	Yes	Yes
WOODBRIDGE B0013 67″ Freestanding		67″ x 29.5″ x 24″	Freestanding	~60 gallons	Yes	Yes	Yes
ANZZI Ami 67″ Freestanding		67″ x 31.5″ x 24.5″	Freestanding	79 gallons	Yes	Yes	Yes
Kingston Brass 60″ Alcove		60″ x 30.7″ x 22.2″	Alcove	58.2 gallons	Yes	Holes only	Yes

 

1. WOODBRIDGE 60″ Acrylic Rectangular Alcove Soaking Bathtub BA6030R

If your bathroom has a standard three-wall alcove and you want a no-compromise plastic bathtub that installs cleanly and soaks deeply, the WOODBRIDGE BA6030R is the most practical pick on this list.

It fits the standard 60″ alcove opening that the majority of American bathrooms are built around, which means you drop it in where the old tub sat and your tile lines, plumbing, and surround all stay exactly as they are.

Features

• 60″ x 30″ x 21″ — fits standard three-wall alcove installations
• 100% high-gloss LUCITE acrylic reinforced with ASHLAND resin and fiberglass
• Integral front apron and tiling flange for a flush, professional wall finish
• Slip-resistant textured floor surface throughout the tub basin
• Includes pop-up drain in your choice of finish (matte black, chrome, brushed nickel, brushed gold)
• EnduraClean scratch-resistant and stain-resistant surface
• cUPC certified; CSA B45.5-17/IAPMO Z124-2017 compliant; 1-year warranty

Pros

• Slots directly into any standard 60″ alcove — the most hassle-free installation on this list
• LUCITE acrylic is warmer to the touch and more durable than standard-grade acrylic
• Integral tiling flange creates a watertight, finished look at the wall junction
• Multiple drain finish options let you match existing bathroom hardware precisely
• Double-walled construction retains heat longer than single-wall alcove tubs

Cons

• At 21″ tall, the soaking depth is shallower than freestanding alternatives
• Alcove installation locks you into a fixed placement — no repositioning later
• Compatible with shower curtain rod only — not frameless shower doors

This is the tub to buy when you want to replace your existing bathtub and get on with your life — no renovation, no relocation, no contractor for the structural work.

The LUCITE acrylic and EnduraClean surface put it well above the entry-level alcove tubs sold at big box stores at similar price points, and the multiple drain finish options mean it integrates cleanly with any existing bathroom hardware.

Check its current price on Amazon

2. WOODBRIDGE B0014 59″ Acrylic Freestanding Soaking Bathtub

The WOODBRIDGE B0014 is the brand’s most popular 59″ freestanding model — and the choice for buyers who want to place the tub wherever the bathroom layout calls for it rather than being locked into a three-wall alcove.

At 59″ long and 24″ tall, it’s deeper than an alcove tub by design, and the LUCITE acrylic construction with double-walled insulation means the water stays warm noticeably longer during extended soaks.

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Features

• 59″ x 29.5″ x 24″ — standard full-size freestanding footprint
• 100% LUCITE acrylic reinforced with ASHLAND resin and fiberglass
• Double-walled construction for superior heat retention
• Stainless steel bracket base rated to 1,000 lbs
• Gently sloped backrest for comfortable reclining during long soaks
• Includes overflow and drain in multiple finish options
• cUPC certified; CSA B45.5-17/IAPMO Z124-2017 compliant; 1-year warranty

Pros

• More depth than an alcove tub — water reaches higher for a more immersive soak
• LUCITE acrylic and double walls deliver noticeably better heat retention than budget alternatives
• Steel bracket base with 1,000 lb rating eliminates any stability concern
• Freestanding placement means flexible positioning — works as a bathroom centerpiece
• Sloped backrest makes 20–30 minute soaks genuinely comfortable rather than just possible

Cons

• Requires floor-mounted or wall-supply faucet — sold separately
• 29.5″ width needs adequate floor clearance on both sides for a clean look
• 59″ length is comfortable for adults up to about 5’10”; taller users may prefer the 67″ model

For anyone converting a bathroom from an alcove layout to a freestanding tub setup, the B0014 is the most logical first step — the build quality is high, the materials are premium, and the WOODBRIDGE ecosystem of faucets and accessories integrates directly with it.

If you’re weighing this against the 67″ B0013 below, the 59″ is the better fit for bathrooms under about 100 square feet where scale matters.

Check its current price on Amazon

3. WOODBRIDGE B0013 67″ Acrylic Freestanding Soaking Bathtub

The WOODBRIDGE B0013 is the flagship full-size freestanding plastic bathtub in WOODBRIDGE’s lineup — 67″ long, with the same premium LUCITE acrylic and double-wall construction as the B0014, but with 8 additional inches of bathing length that genuinely changes the experience for taller adults.

It’s consistently one of the top-selling freestanding acrylic tubs on the market, and its combination of build quality, size, and value puts it in a category above most alternatives at comparable prices.

Features

• 67″ x 29.5″ x 24″ — full-size freestanding format; comfortable for adults up to 6’2″
• 100% LUCITE acrylic reinforced with ASHLAND resin and fiberglass
• Double-walled construction with approximately 60-gallon water capacity
• Stainless steel bracket base rated to 1,000 lbs
• Sloped backrest and gently curved side walls for full-body comfort
• Available in chrome, brushed nickel, matte black, brushed gold, and oil-rubbed bronze drain finishes
• cUPC certified; CSA B45.5-17/IAPMO Z124-2017 compliant; 1-year warranty

Pros

• 67″ length gives adults up to 6’2″ a genuine full-length soak with legs extended
• 60-gallon capacity is generous — this is a deep, full-immersion tub
• LUCITE acrylic has a distinctly premium feel compared to standard acrylic bathtubs
• Double-walled insulation keeps water warm for 45+ minutes without active heating
• Available in five drain finishes — one of the most flexible finish options on any tub at this price

Cons

• 67″ length requires a larger bathroom footprint — measure carefully before ordering
• 60-gallon capacity may strain a standard 40-gallon water heater on a single fill
• Freestanding installation still requires floor-mounted faucet planning ahead of delivery

If you’ve outgrown a standard 60″ alcove tub and want to upgrade to something that actually fits an adult body properly, this is the most frequently recommended move — and at the B0013’s price point, it competes favorably with tubs from brands charging significantly more for the same build quality.

For a look at how this stacks up against bath tubs at this size more broadly, our best bathtubs for adults 6 feet guide covers the full-size category in depth.

Check its current price on Amazon

4. ANZZI Ami 67″ Acrylic Flat-Bottom Freestanding Soaking Bathtub

The ANZZI Ami is the highest-capacity tub on this list at 79 gallons, and it earns its place with a flat-bottom design that’s meaningfully different from the curved oval alternatives offered by WOODBRIDGE and FerdY.

A flat-bottom tub distributes weight more evenly across the floor, provides a more stable seated posture, and gives you more usable interior width — making it the better choice for buyers who want an open, spa-like soak rather than a reclined, body-hugging experience.

Features

• 67″ x 31.5″ x 24.5″ — widest and highest-capacity tub on this list
• Flat-bottom one-piece acrylic construction in glossy white
• 79-gallon water capacity — the most generous fill on any tub here
• Center drain with polished chrome overflow included; leveling adjustable feet included
• Slip-resistant floor surface built into the base of the tub
• ANZZI limited lifetime warranty on materials and workmanship
• cUPC certified; part of the Ami Series

Pros

• Flat-bottom design offers more usable interior space and better stability than oval alternatives
• 79-gallon capacity is exceptional — you’ll be fully submerged rather than half-in-half-out
• 31.5″ width gives genuine elbow room for a comfortable, relaxed soak
• ANZZI’s lifetime warranty is the strongest coverage on this list
• Adjustable leveling feet make installation straightforward on uneven floors

Cons

• 79-gallon fill requires a larger water heater — a 40-gallon heater will not fill it in one cycle
• Flat-bottom design doesn’t provide the lumbar cradle that curved oval tubs do
• At 31.5″ wide, floor clearance planning is essential before delivery

If you’ve ever felt cramped in a standard acrylic tub and wanted a soak that truly lets you spread out, the Ami’s flat-bottom interior solves that in a way that oval tubs simply don’t.

It’s the best pick on this list for anyone who bathes with a partner occasionally or simply wants the most water volume per square foot of bathroom floor space.

Check its current price on Amazon

5. Kingston Brass VTDE603122R 60″ Contemporary Alcove Acrylic Bathtub

Kingston Brass brings its Aqua Eden line’s signature attention to detail to this 60″ three-wall alcove acrylic tub — a well-regarded option for buyers who want the quality and brand assurance of a name typically associated with premium faucets and plumbing hardware applied to a bathtub.

At 58.2 gallons and with a 14″-to-overflow water depth, it delivers a deeper soak than most standard 60″ alcove tubs, and the acrylic-fiberglass-resin triple reinforcement is among the most robust material stackups in this category.

Features

• 60″ x 30.7″ x 22.2″ — fits standard three-wall alcove openings
• Acrylic with fiberglass and resin reinforcement — triple-layered material construction
• 58.2-gallon water capacity; 14″ water depth to overflow
• Integral tub apron and tile flange for clean alcove installation
• Pre-drilled drain and overflow holes — right-hand drain placement
• Slip-resistant floor surface for added safety underfoot
• Backed by Kingston Brass quality assurance and customer support

Pros

• Triple-reinforced acrylic-fiberglass-resin build is more structurally rigid than standard fiberglass-only tubs
• 58.2-gallon capacity is higher than most competing 60″ alcove acrylic tubs
• Kingston Brass is an established, well-supported plumbing brand with strong replacement part availability
• Integral apron creates a built-in, finished look without additional surround panels
• Clean contemporary styling works in both modern and transitional bathrooms

Cons

• Drain hardware is not included — pre-drilled holes only; budget for a separate drain kit
• Right-hand drain placement only at this ASIN — verify plumbing orientation before ordering
• Heavier than some competing acrylic alcove tubs at 95 lbs — professional installation recommended

The Kingston Brass VTDE603122R is the choice for buyers who want a premium alcove tub from an established plumbing brand rather than a bath-specialist manufacturer.

The extra capacity over standard 60″ alcove tubs and the triple-reinforced shell make it a genuinely better tub than most of what you’d find at a home improvement store in the same format.

Check its current price on Amazon

Buying Guide for Plastic Bathtubs

1. Decide on installation type before anything else.

Alcove tubs slot into a three-wall recess and are the straightforward swap for most existing bathrooms.

Freestanding tubs require a floor-mounted faucet and more open floor space, but give you freedom to position the tub anywhere in the room.

2. Not all acrylic is equal — look at the reinforcement.

Standard acrylic is thin and flexes under weight.

Premium-grade options like LUCITE acrylic reinforced with fiberglass and resin are significantly more rigid, warmer to the touch, and hold their gloss finish far longer.

3. Match water capacity to your water heater.

A 40-gallon water heater can comfortably fill a 50-gallon tub with a mix of hot and cold water.

Larger tubs (60–79 gallons) may require you to wait for the heater to recover mid-fill, or to plan for a water heater upgrade as part of the bathroom project.

4. Verify the drain location before ordering.

Alcove tubs come in left-hand drain and right-hand drain configurations — this refers to which end of the tub has the drain when you stand at the open (non-wall) side facing in.

Installing the wrong drain-side tub requires relocating your drain rough-in, which adds significant cost.

Tips for Maintaining a Plastic Bathtub

1. Clean weekly with a non-abrasive spray cleaner and a soft cloth.

Acrylic is scratch-sensitive — abrasive scrubbers and powder cleansers will dull the gloss finish permanently over time.

A weekly wipe-down with a non-abrasive bathroom cleaner prevents mineral buildup from ever becoming a problem.

2. Address scratches early with acrylic polishing compound.

Minor surface scratches on acrylic can be buffed out with automotive-grade polishing compound and a soft cloth.

Deeper scratches can be repaired with acrylic repair kits available at hardware stores — the finish is far more repairable than porcelain or cast iron.

3. Never use bleach at full concentration on acrylic surfaces.

Bleach at full concentration can cloud and yellow acrylic over time.

If disinfecting is needed, dilute bleach to a 1:10 ratio with water, apply briefly, and rinse thoroughly.

4. Caulk the perimeter junction annually.

The seal between the tub and wall surround is the most common entry point for water damage behind bathroom walls.

Inspect the caulk line once a year and re-caulk any cracked or peeling sections with a mold-resistant bathroom caulk — it’s a 30-minute job that prevents thousands in structural repairs.

5. Use a bath mat inside the tub rather than suction-cup mats.

Suction-cup bath mats trap moisture and mineral deposits against the acrylic floor and can leave permanent marks or staining over time.

A flat non-slip bath mat that lifts out and dries separately is gentler on the acrylic surface and easier to clean.

Frequently Asked Questions

Is acrylic (plastic) a good material for a bathtub?

Acrylic is the most practical choice for most adults upgrading their bathroom. It’s warmer to the touch than cast iron or steel, lightweight enough to install without floor reinforcement, significantly less expensive than stone or solid surface, and far easier to repair if scratched. High-grade acrylic like LUCITE with fiberglass reinforcement is more rigid and durable than standard-grade acrylic, so the quality of the specific product matters more than the material category itself.

How long does an acrylic bathtub last?

A quality acrylic tub with proper care lasts 15–30 years. The main longevity factors are the quality of the acrylic (premium brands like WOODBRIDGE use materials that hold their gloss far longer), how aggressively the surface is cleaned, and whether the caulk and drain hardware are maintained to prevent water intrusion behind the tub.

What’s the difference between acrylic and fiberglass bathtubs?

Both are “plastic” tubs in everyday language, but acrylic is a solid surface material while fiberglass is a glass-fiber composite coated with a gel finish. Acrylic is warmer, more durable, retains its gloss longer, is easier to repair, and resists staining better. Fiberglass is less expensive upfront but typically shows wear faster and can craze or crack over time. All five tubs on this list use acrylic as the primary surface material, with fiberglass used as a structural backing layer rather than as the visible surface.

Do I need a special faucet for a freestanding plastic bathtub?

Yes — freestanding tubs require a faucet that isn’t attached to the tub rim, typically either a floor-mounted filler that rises from the floor beside the tub, or a wall-mounted supply valve positioned low on the wall at tub level. Standard wall-mounted tub faucets designed for alcove tubs won’t work with a freestanding setup without relocation work. Plan the faucet alongside the tub when budgeting for a freestanding installation.

Conclusion

Acrylic is the right material for the vast majority of adult bathroom upgrades — and the five tubs here represent the best of what’s available at each size and installation type.

For a clean alcove replacement without any renovation, the WOODBRIDGE BA6030R or the Kingston Brass VTDE603122R are the two strongest choices depending on whether you want the highest-grade LUCITE build or the deeper 58-gallon capacity of the Kingston.

For a freestanding upgrade to 59″, the WOODBRIDGE B0014 is the most reliable starting point.

For 67″ and full-size soaking, the WOODBRIDGE B0013 and ANZZI Ami split the decision between oval-comfort soaking and flat-bottom maximum capacity.

If accessibility is a priority alongside the upgrade, our best bathtubs for seniors guide covers safety-optimized options within the same acrylic category.