Top 10 Best toilet sink combo in 2026

Last Updated - 6/17/2026

🏆Best Choice

VINGLI

VINGLI Upgraded Portable Sink and Toilet Combo| Self-contained 5 Gal Hand Washing Station & 5.3 Gal Flushing Toilet, Perfect for Camping/RV/Boat/Road Tripper/Camper, Detachable & Lightweight

9.8

ChoiceComparer.com Score

9.8

/ 10

Outstanding

Main highlights

•✔ [GO IN COMFORT ANYWHERE]: Lightweight, detachable, compact and foldable. Built-in handles and carrying bag (toilet and sink) make the transportation much easier. No installation is needed for the toilet. No tools is needed for the installation of sink.
•✔ [WATER FLUSHING]: Sink - Foot pump supports a stream of water with manually controlled switch. No plumbing required when used in garden connected with garden pipe. Toilet – Piston pump flushes the bowl with fresh water. T-type 3-way flushing easier.
•✔ [EXTRA-LARGE CAPACITY]: Sink – 5 gallon self-contained tank provides water for washing. Toilet – 3 gallon flushing tank and 5.3 gallon waste tank; provide 95 to 98 times effective flushes;
•✔[EASIER-TO-CLEAN]: Toilet - Slippery surface of the bowl for easier washing. Rotating pour spout allows you to dump it quickly. There’s a vent for release the bottom pressure; a level indicator for showing the inner waste amount. When the indicator turns red, it reminds you of the time to empty the tank.
•✔ [ High Quality]: Sealing value stop the waste from leaking

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$139.99

$199.99

-30%

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XIFIRY

Small Bathroom Sink Wall Mounted Bathroom Sink Rectangle Ceramic Wash Basin Right Hand (Right Hand)

9.7

ChoiceComparer.com Score

9.7

/ 10

Outstanding

Main highlights

•Superior Ceramic: The small bathroom sink is made of premium quality ceramic, lasting beauty and exceptional durability.
•UNIQUE DESIGN: This tiny bathroom sink puts on a trendy and exquisite outlook. Smooth and polished surface make the sink always flawless and fresh. It’s well fit for modern style bathrooms. This tiny bathroom sink is perfect for Any Modern Bathroom, Kitchen, Cloakroom, Its slender style allows it to be mounted to the wall, freeing up extra space on the floor.
•SMALL SIZE AND EASY TO ASSEMBLE: The wall mount sink’s size is 365*185*90mm(14.4*7.3*3.5inch). The narrow bathroom sink comes with the fitting kit. It's easy to install.
•Single tap hole for mixer tap. Please be noted that Taps & Wastes are not included.
•You will get one small bathroom sink. We take full responsibility for our product and customer dissatisfaction: The basin sink comes with 30-day money-back Guarantee for any reason and 12-month warranty for quality-related issues.

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$59.90

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YITAHOME

YITAHOME Portable Sink and Toilet, 17 L Hand Washing Station & 5.3 Gallon Flush Potty,for Outdoor,Camping, RV, Boat, Camper, Travel,Grey white

9.5

ChoiceComparer.com Score

9.5

/ 10

Outstanding

Main highlights

•RECYCLING WORKING: The hand washing station provides 4.5 gallon fresh water for washing hands, food or dishes. Then the used water can flow into the fresh water tank of the rv toilet to flush the waste. The combination design can maximize water utilization to be friendly to the environment.
•PORTABLE CAMPING SINK:The portable handwashing station can make you feel as convenient as in a real bathroom or kitchen, when you are outdoors. Just need to step on the hands-free foot pump to get continuous water, wash hands with the liquid of soap dispenser, finally hang the towel on the rack.
•COMPOSTING TOILET: The T-type water outlet of portable toilet can effectively flush the bowl. And the rotating pour spout can help you dump the waste quickly without splashing. The humanized level indicator can remind you to empty the waste tank, when it turns red, which means full-tank waste.
•SAFE & LEAK-PROOF: The camping wash basin and porta potty are both made of high-density HDPE material, which is safe to wash items and anti-leakage to prevent the nasty odors of waste. Strong structure and durable materials for long-term use.
•EASY TO INSTALL: For its detachable and compact design, the outdoor sink can be set up by yourself in minutes without needing additional tools. The detailed user guide can help you accelerate the process very much. While the camping toilet needs no installation.

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$199.99

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SinkTwice

Sink Twice Adaptable Toilet Tank Sink

9.4

ChoiceComparer.com Score

9.4

/ 10

Excellent

Main highlights

•Innovative Sink for Toilet Tank: Save thousands of gallons of water with our innovative tank toilet utility sink. This toilet top sink comes with an expansion kit and is compatible with a wide range of toilet models. Sink Twice Adaptable can be considered a default choice if dimensions for toilets are unknown.
•Made In THE USA: Our toilet tank cover is manufactured in the USA from durable ABS plastic. These bathroom sinks are our best offering for most toilets that measure 16.8” to 20”, and are compatible with gravity fed (not jet fed or tankless) toilets.
•How It Works: This small sink cover is fitted with a built-in spout and sink. When the toilet is flushed, the refill valve will redirect water to the spout and serve as a hand washing sink. The soapy water is then used to flush
•Space Saver & Easy Install: This toilet sink combo is a huge space saver, has room for a soap container and the drain is specifically designed to prevent splashes. This toilet with built in sink can be installed easily without any tools in under 5 minutes. Use sticky putty to make it more stable.
•About Us: SinkTwice is proud to call itself a 100% family-owned small business. Sink Twice for toilet tanks are made with pride in our home state of Colorado. We care about our Mother Earth and are so delighted to be working with customers who feel the same way we do.

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$74.99

$79.99

-6%

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Outvita

Outvita Portable Sink and Toilet Combo, 5 Gallon Hand Washing Station & 5.3 gallon Flushing Toilet, Detachable Wastewater Recycled Perfect for Outdoor Camping RV Travel Boat

9.2

ChoiceComparer.com Score

9.2

/ 10

Excellent

Main highlights

•【COMBINATION DESIGN】The outdoor sink station provides 5gallon fresh water for washing food and hand, which satisfies all your emergency water needs when you are outdoors. A flexible drainage hose allowing you to direct used water away to the fresh water tank of portable outdoor toilet for flushing the waste, which can make full use of water
•【PORTABLE CAMPING SINK】Just step on the foot pump to provide a stream of water to wash item. Equipped with 3L liquid soap dispenser can allow you to wash items multiple times. The towel rack for you to hang or dry items
•【STANDARD OUTDOOR TOILET】The dimensions of the portable toilet are designed based on adults, which let you enjoy the comfort and performance of portable travel potty. Built-In pump flusher and T-type water outlet provides powerful cleaning action
•【SAFE & DURABLE】The camping wash basin and porta potty are both made of HDPE to ensure dependable sanitation amidst the elements, which is safe to wash items and prevent the waste from leaking and giving off smell. This high-density material features durable and easy to clean, which can clean in seconds
•【 EASY TO CARRY & CONVENIENT】Detachable and lightweight design make the portable sink and toilet combo easy to store and transport in trunk of vehicle. The rolling wheels of the handwashing station and the carry handles of the composting toilet for easy movement

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$119.99

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YITAMOTOR

YITAMOTOR 17L Portable Sink for Washing Hands and 5.28 Gallon Portable Toilet, RV Camping Toilet With Level Indicator & Rotatable Spout for Adults, Travel, Boat, Gather, Wedding, Worksite

9.1

ChoiceComparer.com Score

9.1

/ 10

Excellent

Main highlights

•RECYCLING WORKING: The portable sink provides 4.5 Gallon (allows about 85 stomps) fresh water for washing; The used water from the basin will be collected in the rv toilet' s fresh water tank to flush the toilet; This combination maximizes water utilization and is a good way to be protect the environment
•CAMPING TOILET: The portable toilet with T Type water outlet can effectively flush the toilet clean; The sewage tank's capacity is 5.28 Gallon, whch is large enough to satisfy an adult's sanitation needs for few days
•PORTABLE HANDWASHING STATION: The foot pump of the portable handwashing station provides a convenient and hygienic way to access water for washing; The easy assembly and detachment of the sink, combined with the built in wheels and handles, make it easy to move and transport to different locations
•AVOID SPLASHING: When the level indicator turns red, it' s time to empty the sewage, which helps to prevent potential overflow or unpleasant odors; The rotating spout makes emptying the waste tank quick and easy, meanwhile prevents spilling or splashing
•AVOID LEAKAGE & ORDOURS: The sealing slide valve with triple o-rings can tigtly lock in the nasty smells and keep you stay in a fresh environment to avoid embarrassment

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$179.96

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Sinkology

Sinkology SinkPositive GreenFlow Toilet Tank Sink

8.9

ChoiceComparer.com Score

8.9

/ 10

Great

Main highlights

•Dimensions: 18" (adjustable) x 8" x 3"
•Perfect for small bathrooms, tiny homes, RVs, and eco-conscious homes
•Replaces existing toilet tank cover
•Always pumps clean water through the faucet
•Recycles used water from the sink into the toilet tank for flushing
•Protected by our lifetime warranty

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$83.11

$99.00

-16%

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SinkTwice

Sink Twice For Glacier Bay Two Piece Dual Flush Toilet Tank Comes w/Dual Flush Button

8.8

ChoiceComparer.com Score

8.8

/ 10

Great

Main highlights

•Innovative Sink for Toilet Tank: Save thousands of gallons of water with our innovative tank toilet utility sink. This toilet top dual flush button sink is modified to be compatible with Glacier Bay Dual Flush and Project Source Pro Dual Flush toilets.
•Made In THE USA: Our toilet tank cover is manufactured here in the USA from durable ABS plastic. These bathroom sinks are designed to be functional with the Glacier Bay two piece top button dual flush toilet model.
•How It Works: This small sink cover is fitted with a built-in faucet, sink, and 2 flush buttons. When the toilet is flushed, the refill valve will redirect water to the faucet and serve as a hand washing sink. The soapy water is then used to water the flush.
•Touchless Faucet: The faucet of our smart toilet sink turns itself on when you press the button to flush the toilet and turns itself off after you’ve had enough to wash your hands to save water. SinkTwice usually makes toilets flush more efficiently and can even reveal when there is a leak to help lower repair bills.
•Space Saver & Easy Install: This toilet sink combo is a huge space saver, has room for a soap container & the drain is specifically designed to prevent splashes. This toilet with built in sink can be installed without any plumbing work in under 5 minutes.

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$137.57

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Simple Project

Simple Project Tall Toilet with Sink, Modern 2 in 1 Toilet Bowl with Faucet＆ Comfort Chair Height Seat, Powerful ＆Quiet 1.28 GPF Single Flush, 12" Rough In Elongated High Toilets for Small Bathrooms

8.6

ChoiceComparer.com Score

8.6

/ 10

Good

Main highlights

•【2-in-1 Toilet with Sink & Faucet】 This toilet with sink on top can be used to wash hands or to wash face in the morning. If you are in a hurry to go out, this ada toilet saves you time and space
•【Comfortable Seat＆ Height】This toilet with sink combo has a soft-closing seat to prevent loud closing, providing a quiet bathroom experience for everyone. The seat height is 17", which is higher than a standard toilet, providing more options for people who are slightly taller
•【Small Space Benefit】Our toilet sink offers a convenient way to wash your face, hands, brush your teeth, and more, making it a space-saving and cost-effective solution for small spaces, guest bathrooms, and apartments
•【Single Flush Saves Water】A single flush saves over 20% water. The combined toilet with sink stores wastewater from handwashing in the tank for use in two flushes, helping you conserve water. Perfect for both comfort and the environment
•【Easy to Install】Our 17-inch tall toilet has a 12-inch rough-in ensuring compatibility with most bathrooms, Compatible with most plumbing systems, Easy to upgrade and replace

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$469.00

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SUPERFLO

SUPERFLO Elongated Toilet with Sink, Faucet Toilets with Rough in 12 Inch & 1.28 GPF Single Flush, Modern Tall Toilet for Small Bathrooms (Include Faucet)

8.5

ChoiceComparer.com Score

8.5

/ 10

Good

Main highlights

•【Modern Toilet with Sink & Faucet】High toilet can maximize space in small bathrooms with a built-in sink and included faucet on top of the tank, saving floor space while offering convenient handwashing right above the toilet.
•【Water-Saving Single Flush】Toilet with sink can help you save water by storing used water in the toilet tank while washing hands, which can be utilized twice in the toilet flush.
•【Comfortable Experience】Elongated Toilet features a 17.2-inch height, slightly taller than standard models for improved comfort and easier sitting and standing.The soft-closing seat prevents loud slams and reduces noise, creating a more peaceful bathroom experience for everyone.
•【Easy Installation】Faucet toilet designed to fit most existing bathroom plumbing setups with a standard 12-inch rough-in, making upgrades and replacements simple.
•【Save Space Design】Small toilet Ideal for tight spaces, guest baths, and apartments combines a full toilet and sink into one smart, space-saving solution.

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$466.00

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