6 Best Alternatives to the Kohler K-1257-RA-0 Mariposa 6' Alcove Whirlpool Bathtub (2026)
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The Kohler K-1257-RA-0 Mariposa 6' alcove whirlpool bathtub offers standard dimensions and high water capacity for traditional bathrooms. If you are searching for kohler k 1257 ra 0 mariposa 6 alcove whirlpool bathtub alternatives, you may need different specs. The original model weighs 125 pounds and holds 60 or more gallons of water. Its 74-inch length and 38-inch width fit standard alcove spaces. However, you might prefer a different size, weight, or feature set. Some buyers want longer soaking lengths or dual-person capacity. Others need back-to-wall designs or heated jet options. The alternatives listed here were chosen because their published specifications overlap with the original product. Each option provides similar whirlpool functionality but varies in dimensions, material, or mounting style. You can compare these specs to find the best fit for your bathroom layout and soaking preferences.
Our top pick: Kohler Mariposa 6ft Alcove Whirlpool Tub.
Comparing these tubs to Mariposa
Empava 71" Back-to-Wall Whirlpool Tub
The Empava 71-inch model is slightly shorter than the 74-inch Kohler but weighs more than double at 265 pounds. It offers back-to-wall mounting rather than standard alcove installation. This tub includes inline heating for temperature control, a feature the Mariposa does not list. You get dual massage types for varied hydrotherapy. The narrower 33.7-inch width makes it fit tighter spaces. Choose this if you prioritize heated water and specific electrical infrastructure over the larger water volume of the Kohler.
Empava 72" Two-Person Whirlpool Tub
This Empava two-person tub is 72 inches long, just two inches shorter than the Kohler Mariposa. It is significantly wider at 48 inches compared to the 38-inch Kohler. The weight is 196 pounds, heavier than the 125-pound Mariposa. It provides more interior space for two people. The 24-inch height is one inch taller. You gain substantial hydro massage capabilities and width. Select this alternative if you need extra seating capacity and have a floor that supports the heavier load. It sacrifices the standard 38-inch alcove footprint for a much broader basin.
Empava 59" Boat-Shaped Whirlpool Tub
The Empava 59-inch boat-shaped tub is freestanding, unlike the alcove Mariposa. It is much shorter in length at 28 inches wide but 59 inches long. The height is 31 inches, taller than the 23-inch Kohler. It weighs 156 pounds. This shape offers unique reading comfort. You trade high-volume hydrotherapy for a distinct aesthetic and targeted jet therapy. The freestanding design allows placement away from walls. Pick this if you value style and compact footprints in small bathrooms. It gives up the traditional alcove fit and larger water capacity for a specialized shape.
LUTHBAXE 71-Inch Two-Person Whirlpool Tub
The LUTHBAXE 71-inch tub is slightly shorter than the 74-inch Kohler but weighs significantly less. It is designed for two people with a 47-inch width, much wider than the 38-inch Mariposa. The 23-inch height matches the Kohler. This model offers ample room and strong jet coverage for couples. It fits best in spacious bathrooms where length is not a constraint. You gain extra width for two users. You give up the specific 74-inch length. Choose this if you need a long soaking space for two. It provides a wider basin without the heavy weight of larger acrylic models.
Empava 67.5" Heated Whirlpool Tub
This Empava 67.5-inch heated tub is shorter than the 74-inch Kohler but weighs 243 pounds. It features back-to-wall mounting. The width is 30.3 inches, narrower than the 38-inch Mariposa. The height is 24.6 inches. It includes heated water technology for temperature control. You get spa features and precise thermal management. This model suits primary baths where you can accommodate electrical requirements. You sacrifice the larger water volume and standard alcove dimensions. Select this if you prioritize heated soaks and a back-to-wall layout. It offers advanced thermal control over the basic whirlpool function of the Kohler.
Empava 60" Acrylic Whirlpool Tub
The Empava 60-inch acrylic tub is significantly shorter than the 74-inch Mariposa at 59.1 inches. It is narrower at 29.5 inches. The height is 23.6 inches. It weighs 150 pounds. This model offers adjustable jet intensity and flexible wall mounting. It suits compact bathrooms where a 15A circuit is available. You gain a smaller footprint and acrylic material. You give up the large 60+ gallon water capacity. Choose this if you need a compact tub for tight spaces. It provides targeted jet therapy and easier installation in smaller rooms compared to the larger, heavier Kohler Mariposa.
Quick picks
Our 7 picks
Kohler Mariposa 6ft Alcove Whirlpool Tub
Best for: standard alcove bathrooms needing high capacity
- Type
- alcove whirlpool bathtub
- Length
- 74 inches
- Water Capacity
- 60 Or More Gallons
- Mount Type
- alcove
- Jet Type
- whirlpool
- Color
- White
View on Amazon: Kohler Mariposa 6ft Alcove Whirlpool Tub Affiliate link
This is a 74-inch alcove whirlpool bathtub designed for standard bathroom layouts. It holds 60 or more gallons of water, providing ample space for soaking. The unit measures 38 inches wide and 23 inches high, weighing 125 pounds. It features a classic white finish and uses a standard whirlpool jet system. This tub suits you if you need a durable, space-efficient soaking option that fits into a three-wall alcove.
Pros
- 74-inch length fits standard alcove spaces
- Holds 60 or more gallons of water
- Durable 125-pound acrylic construction
- Standard 38-inch width for easy installation
Cons
- Lacks an inline heater for temperature control
- No adjustable air bubble massage features
- Single jet type without multi-zone targeting
Good fit if
- You need a tub that fits a standard 74-inch alcove
- You prefer a high water capacity for deep soaking
- You want a classic white finish that matches existing fixtures
Skip if
- You require a freestanding design for center-room placement
- You want advanced air bubble massage technology
- You need a heated water system for consistent temperature
Verdict: Kohler Mariposa 6ft Alcove Whirlpool Tub offers reliable capacity and standard dimensions for traditional bathrooms. It fits you if you prioritize water volume and easy alcove installation over advanced massage features.
Empava 71" Back-to-Wall Whirlpool Tub
Best for: extended soaks with inline heating
- Type
- Back-to-wall, whirlpool
- Material
- Acrylic
- Length
- 70.9 in
- Water Capacity
- 67 gal
- Soaking Depth
- 13.6 in
- Mount Type
- Back-to-wall
View on Amazon: Empava 71" Back-to-Wall Whirlpool Tub Affiliate link
This 71-inch back-to-wall tub offers 67 gallons of capacity and a 13.6-inch soaking depth. It features 20 jets for whirlpool and air bubble massage, plus an inline heater to maintain water temperature up to 104°F. The white acrylic shell includes chrome fixtures and electronic controls. It suits those seeking extended soak times and dual hydrotherapy modes in a single-person layout.
Pros
- Inline heater maintains water warmth up to 104°F
- 20 jets provide both whirlpool and air bubble massage
- 67-gallon capacity with 13.6-inch soaking depth
- Electronic panel controls jets, heater, and LED lighting
Cons
- Requires two separate 110/120V dedicated GFCI circuits
- Must fill water 1–2 inches above jets before starting
- Jets and pumps auto-shutoff after 60 minutes
Good fit if
- You want an inline heater to keep water warm
- You have space for a 71-inch back-to-wall tub
- You prefer dual massage modes with air bubbles
Skip if
- You only have one electrical circuit available
- You prefer a smaller 60-inch alcove design
- You want a freestanding tub for center placement
Verdict: Empava 71 in Heated Jetted Bathtub fits users who need a long soak with temperature control and dual massage types. It is ideal for master baths with the necessary electrical infrastructure.
Empava 72" Two-Person Whirlpool Tub
Best for: couples needing a large alcove whirlpool tub
- Type
- whirlpool
- Material
- acrylic
- Length
- 72 inches
- Drain Location
- left
- Water Capacity
- 110 gallons
- Soaking Depth
- 15.9 inches
View on Amazon: Empava 72" Two-Person Whirlpool Tub Affiliate link
This Empava tub offers a spacious 72 by 48 inch footprint designed for two people. It features 10 adjustable whirlpool jets driven by a 1.2 HP motor. The 15.9 inch soaking depth and 110 gallon water capacity support deep immersion. Chromatherapy lighting adds ambiance. It is built with glossy white acrylic reinforced with fiberglass. The integral apron allows for straightforward alcove installation.
Pros
- Generous 72 by 48 inch exterior dimensions
- 10 adjustable whirlpool jets with 1.2 HP motor
- 15.9 inch soaking depth for deep immersion
- Integral apron simplifies alcove installation
- Chromatherapy lighting system included
Cons
- 196 pound weight requires sturdy floor support
- No inline heater or air massage system listed
- Limited to white color option
Good fit if
- You need a large tub for two people
- You want adjustable hydro massage jets
- You prefer alcove installation with an integral apron
Skip if
- You require a freestanding design
- You need an integrated heater or air bubble system
- You have limited bathroom floor space
Verdict: Empava 72" x 48" Two-Person Whirlpool Tub fits couples seeking a spacious alcove tub with strong hydro massage capabilities. It suits bathrooms where floor load capacity is sufficient for its 196 pound weight.
Empava 59" Boat-Shaped Whirlpool Tub
Best for: unique boat-shaped reading baths
- Type
- Freestanding, whirlpool, soaking
- Material
- Acrylic
- Length
- 59.06 in
- Water Capacity
- 45 gal
- Mount Type
- Freestanding
- Jet Type
- Whirlpool
View on Amazon: Empava 59" Boat-Shaped Whirlpool Tub Affiliate link
This Empava freestanding whirlpool tub features a boat-shaped acrylic design with eight hydromassage jets. It holds 45 gallons of water and measures 59 inches long by 28 inches wide. The 16.92-inch soaking depth supports full immersion. You get a 560-watt UL-certified motor for targeted back and leg therapy. The curved form includes elbow rests for reading comfort.
Pros
- 8 hydromassage jets for zone therapy
- Boat-shaped design with reading elbow support
- 59-inch freestanding acrylic construction
- 45-gallon water capacity
- UL-certified 560-watt motor
Cons
- Smaller 28-inch width limits shoulder space
- Only 8 jets compared to 30+ on competitors
- Freestanding style requires floor space and drainage
Good fit if
- You want a unique boat-shaped focal point
- You enjoy reading while soaking
- You have a freestanding bathroom layout
Skip if
- You need an alcove installation
- You prefer deep soaking over jet massage
- You want extensive jet coverage
Verdict: Empava 59" Freestanding Boat Jetted Tub offers a distinct shape and reading comfort for small bathrooms. It suits you if you prioritize style and targeted jet therapy over high-volume hydrotherapy.
LUTHBAXE 71-Inch Two-Person Whirlpool Tub
Best for: couples needing long soaking space
- Type
- Whirlpool
- Length
- 71 inches
- Water Capacity
- 100-Gallon
- Jet Type
- Whirlpool, air bubble
- Use
- Two Person
- Color
- White
View on Amazon: LUTHBAXE 71-Inch Two-Person Whirlpool Tub Affiliate link
This LUTHBAXE whirlpool tub measures 71 by 47 inches and seats two people. It features 30 adjustable jets, including back and bubble options, plus 7-color LED lighting. The white acrylic shell includes a three-side skirt for easy installation. It suits couples or wider bathrooms needing a long soaking option with hydro massage.
Pros
- 71-inch length accommodates two users comfortably
- 30 adjustable jets provide targeted hydro massage
- Seven-color LED lighting sets the mood
- Three-side skirt simplifies installation
Cons
- 71-inch length requires significant floor space
- No mention of an inline heater
- No mention of digital control panel
Good fit if
- You need a tub for two people
- You want adjustable hydro massage jets
- You have a wide bathroom layout
Skip if
- You have limited floor space
- You prefer a standard alcove size
- You need a built-in heater
Verdict: LUTHBAXE 71-in Two-Person Whirlpool Tub offers ample room and strong jet coverage for couples. It fits best in spacious bathrooms where its length is an asset, not a constraint.
Empava 67.5" Heated Whirlpool Tub
Best for: heated soaks in back-to-wall layouts
- Type
- Whirlpool
- Material
- Acrylic
- Length
- 67.5 inches
- Water Capacity
- 59-gallon
- Mount Type
- Back-to-wall
- Jet Type
- Hydro & air
View on Amazon: Empava 67.5" Heated Whirlpool Tub Affiliate link
This Empava back-to-wall tub offers a 59-gallon capacity and measures 67.5 inches long. It combines 17 jets with an inline heater to maintain water temperature. The design includes a waterfall and chromatherapy lighting. It requires two 110/120V circuits. You should consider this if you want a heated soak in a primary bathroom. It fits well where space allows for its specific footprint.
Pros
- Inline heater maintains water temperature during use
- 17 jets provide hydro and air massage
- Integrated waterfall and faucet fixtures
- Chromatherapy LED lighting for ambiance
- 3-year limited warranty on parts and labor
Cons
- Requires two separate 110/120V 15A dedicated circuits
- Heavier at 243 pounds than standard alcove tubs
- Back-to-wall design limits placement flexibility
Good fit if
- You need a heated whirlpool experience
- You have space for a back-to-wall installation
- You can install two dedicated electrical circuits
Skip if
- You only have one available electrical outlet
- You prefer a standard alcove drop-in tub
- You want a freestanding centerpiece for your bathroom
Verdict: Empava 67.5" Heated Whirlpool Tub suits those who prioritize temperature control and spa features in a back-to-wall layout. It is a solid choice for primary baths where you can accommodate its electrical and spatial requirements.
Empava 60" Acrylic Whirlpool Tub
Best for: Compact bathrooms needing flexible wall mounting
- Type
- Whirlpool, soaking
- Material
- Acrylic
- Length
- 59.1
- Jet Type
- Whirlpool
- Color
- White
- Dimensions
- 59.1 × 29.5 × 23.6 inches
View on Amazon: Empava 60" Acrylic Whirlpool Tub Affiliate link
This Empava tub is a 59.1-inch acrylic whirlpool model with a 29.5-inch width and 23.6-inch height. It features 11 hydro massage jets targeting your back, legs, and feet. The flexible 3-sided apron design supports one, two, or three-wall layouts. You need a 110-120V/15A circuit and floor drain for installation. It weighs 150 pounds and includes U.S. support for parts and claims.
Pros
- 11 hydro massage jets for targeted relief
- Adjustable flow to tailor massage intensity
- Flexible 3-sided apron for various layouts
- U.S. support team for parts and claims
Cons
- Requires specific 110-120V/15A electrical circuit
- Narrow 29.5-inch width limits soaking space
- 150-pound weight requires sturdy floor support
Good fit if
- You want targeted hydro massage for legs and back
- You need a tub that fits one, two, or three-wall layouts
- You have the required 110-120V/15A electrical outlet nearby
Skip if
- You prefer a wider soaking tub over 30 inches
- You cannot install a dedicated 15A circuit
- You need a freestanding tub without wall panels
Verdict: Empava 60" Acrylic Jetted Bathtub suits you if you need a compact 59-inch tub with adjustable jet intensity and flexible wall mounting. It is a practical fit for tight spaces where a 15A circuit is available.
Specifications side by side
| Spec | Kohler Mariposa 6ft Alcove Whirlpool Tub | Empava 71" Back-to-Wall Whirlpool Tub | Empava 72" Two-Person Whirlpool Tub | Empava 59" Boat-Shaped Whirlpool Tub | LUTHBAXE 71-Inch Two-Person Whirlpool Tub | Empava 67.5" Heated Whirlpool Tub | Empava 60" Acrylic Whirlpool Tub |
|---|---|---|---|---|---|---|---|
| Type | alcove whirlpool bathtub | Back-to-wall, whirlpool | whirlpool | Freestanding, whirlpool, soaking | Whirlpool | Whirlpool | Whirlpool, soaking |
| Material | not stated | Acrylic | acrylic | Acrylic | not stated | Acrylic | Acrylic |
| Length | 74 inches | 70.9 in | 72 inches | 59.06 in | 71 inches | 67.5 inches | 59.1 |
| Drain Location | not stated | not stated | left | not stated | not stated | not stated | not stated |
| Water Capacity | 60 Or More Gallons | 67 gal | 110 gallons | 45 gal | 100-Gallon | 59-gallon | not stated |
| Soaking Depth | not stated | 13.6 in | 15.9 inches | not stated | not stated | not stated | not stated |
| Mount Type | alcove | Back-to-wall | not stated | Freestanding | not stated | Back-to-wall | not stated |
| Jet Type | whirlpool | Whirlpool, air bubble | whirlpool | Whirlpool | Whirlpool, air bubble | Hydro & air | Whirlpool |
| Use | not stated | not stated | Two Person | not stated | Two Person | not stated | not stated |
| Color | White | White | White | White | White | White | White |
| Size | 60 Or More Gallons | not stated | 72 inches | 59 Inch | not stated | 67.5" | 59JT408LED |
| Dimensions | 74 × 38 × 23 inches | 70.9 × 33.7 × 23.8 inches | 72 × 48 × 24 inches | 28 × 59 × 31 inches | 71 × 47 × 23 inches | 67.5 × 30.3 × 24.6 inches | 59.1 × 29.5 × 23.6 inches |
| Weight | 125 pounds | 265 pounds | 196 pounds | 156 pounds | not stated | 243 pounds | 150 pounds |
| Model | 1257-RA-0 | EMPV-71JT351 | Whirlpool Bathtub | E1-59AIS11 | L--6214 | EMPV-67JT351LED | 60" Jetted Whirlpool |
If you need different basin dimensions or jet placements, you can evaluate reliance 6 6 soms k alternatives.
Frequently asked questions
What is the largest two-person whirlpool tub on this list?
The Empava 72-inch Two-Person Whirlpool Tub is the largest option for couples. It measures 72 inches in length and 48 inches in width. This model weighs 196 pounds, so you must ensure your bathroom floor can support the load. It provides strong hydro massage capabilities for shared soaking sessions.
Which tub offers inline heating for temperature control?
The Empava 71-inch Back-to-Wall Whirlpool Tub includes inline heating. This feature allows you to maintain water temperature during extended soaks. It also offers dual massage types for targeted relief. Note that this model requires specific electrical infrastructure and back-to-wall mounting rather than standard alcove installation.
Is there a boat-shaped option for reading or small spaces?
Yes, the Empava 59-inch Boat-Shaped Whirlpool Tub features a distinct boat shape. It is designed for reading comfort and fits smaller bathrooms. This freestanding tub weighs 156 pounds and measures 28 inches in width. It prioritizes style and targeted jet therapy over high-volume hydrotherapy found in larger alcove models.
How does the Empava 60-inch model differ in size?
The Empava 60-inch Acrylic Whirlpool Tub is compact, measuring 59.1 inches in length. It is narrower than the Kohler Mariposa at 29.5 inches wide. This model offers flexible wall mounting and adjustable jet intensity. It is a practical fit for tight spaces where a 15A circuit is available.
Which tub is best for back-to-wall layouts?
The Empava 67.5-inch Heated Whirlpool Tub is designed for back-to-wall layouts. It measures 67.5 inches long and weighs 243 pounds. This tub prioritizes temperature control and spa features. You need to accommodate its electrical and spatial requirements before installation, as it differs from standard alcove designs.
What is the weight difference between the Empava 71-inch and Kohler Mariposa?
The Empava 71-inch Back-to-Wall Whirlpool Tub weighs 265 pounds. The Kohler Mariposa weighs 125 pounds. The Empava model is more than double the weight of the Kohler. This significant difference affects installation requirements and floor support needs. You must verify your bathroom structure can handle the heavier tub.
Which tub provides the most length for soaking?
The Kohler Mariposa offers the most length at 74 inches. It is designed for traditional alcove bathrooms needing high capacity. The Empava 72-inch model is the next longest at 72 inches. Both provide ample space for extended soaks, but the Kohler remains the longest option in this comparison.