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Couoko

30 Inch White Undermount Kitchen Sink Workstation - Couoko White Granite Composite Undermount Kitchen Sinks Quartz Classic Under Counter Single Bowl Sinks Basin with Luxury Accessories, 30"x19"x10"

  • Based on 15 reviews
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Availability: Only 6 left in stock, order soon!
Fulfilled by Amazon
Arrives Saturday, Sep 12
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Color: Speckled White


Set name: 30x19 Inch


Features

  • 30x19 UNDERMOUNT GRANITE KITCHEN SINK: Crafted from Premium Quartz Composite (natural quartz + acrylic resin), this non-porous, stain-resistant sink mimics real stone with a scratchproof, chip-resistant finish. Ideal for busy kitchens: heat-resistant (handles hot cookware), Direct food contact , and easy-clean (hides stains, wont fade/darken). Upgrade your kitchen today with a low-maintenance, high-end sink engineered for long-term durability and food prep
  • WORKSTATION UNDERMOUNT KITCHEN SINK: Upgrade your kitchen with our 30 inch undermount workstation sink, designed to maximize space and functionality. Its innovative Ledge system includes front and back tracks for sliding accessories like cutting boards and drying mats, turning your sink into a versatile prep and cleanup zone. Reduce counter clutter and streamline cooking, chopping, and dryingall right over the sink. Perfect for modern homes seeking efficiency and smart storage solutions
  • EXTRA SPACIOUS LARGE BOWL SPACE: 30 Inch wide and 19 Inch front-to-back (30" W x 19" D x 9.65" H) gives you plenty of usable space. The minimum cabinet size is 33 inches.Extra Deep Bowl: 8.9 Inch internal bowl depth offers ample space for all your dishes and large pots and pans. Standard 3-1/2" offset drain opening will fit any garbage disposal unit
  • FAST DRAINAGE & NOISE CESSATION: 30 inch white undermount kitchen sink boasts a rear-offset drain for increased storage and optimal drainage. Its sloped bottom efficiently directs water to the drain, preventing pooling and ensuring quick drying. Crafted from a thick, stone-like material, the granite composite kitchen sink effectively minimizes vibration and noise, muffling the sounds of running water and dropped dishware to create a tranquil kitchen environment
  • DURABLE & ANTI-SCRATCHING SURFACE: Non-porous surface of white granite undermount sink, plus extremely easy to clean rounded corners reduce the build-up of grime over time; Please put the bottom grid in the sink in daily using which could keep the high tempreture item away from the sink and protect the sink surface from scratch. Pls keep it clean after using in case stains long time staying
  • WHAT'S INCLUDED: Package includes a complete set of high-quality accessories, such as a versatile roll-up rack, durable cutting board, protective bottom grid, and efficient drain assembly. These accessories are designed to enhance the functionality of your sink, providing versatility and convenience for your kitchen tasks
  • ARRIVES SAFELY & SUPPORTED: Our quartz sink features rigorously tested, durable packaging to ensure it arrives in perfect condition. Backed by reliable customer service and a hassle-free 3 month return policy for quality issues, you can purchase with complete confidence.If there is any problem with our white undermount kitchen sink, please let us know and we will provide you with the right solution

Description

Quartz Composite Kitchen Sink Series The Couoko quartz composite kitchen sink crafted from Premium Quartz Composite (natural quartz + PMMA resin), 80% crushed natural granite for extreme durability and strength – can withstand high temperatures up to 536 degrees Fahrenheit. Quartz composite sinks are more durable than quartz sinks due to the extreme strength of natural granite. Thank you for choosing Couoko quartz sinks. We care deeply about your experience and hope it remains as beautiful as new in your daily life. To help you better maintain your sink, we've compiled some practical tips that we hope will be helpful.  Crafted from over 80% quartz crystals blended with resin, our quartz composite sinks boast exceptional hardness, corrosion resistance, and scratch resistance. With minimal daily care, they will retain their pristine appearance for years. • After each use, rinse the sink with clean water or lukewarm water to prevent prolonged exposure to liquids like soy sauce, vinegar, or oil stains. • For grease stains, gently wipe with a soft sponge or cloth dampened with a small amount of neutral dish soap. • After use, dry the sink surface with a dry cloth to prevent mineral deposits from tap water leaving water spots and maintain its shine. • Limescale (white marks): If your area has hard water, apply a small amount of white vinegar or lemon juice to the affected area. Let it sit for a few minutes, then rinse thoroughly (avoid contact with edge sealant). • Dried-on stains: Mix baking soda with water to form a paste. Gently scrub with a soft cloth for gentle yet effective cleaning without damaging the surface. • Avoid Direct Heat: Though heat-resistant, don't place hot pans directly into the sink to prevent resin damage or thermal stress. Always use a BOTTOM GRID. • Avoid Sharp Impacts: Quartz is durable, but striking edges with sharp tools may cause chipping. Handle with care. • Avoid Harsh Chemicals: Don't pour paint thinners, strong acids, or alkaline cleaners into the sink—they can corrode the resin, leading to loss of luster or discoloration. • Minor Scratch Repair: For accidental minor scratches, gently polish with ultra-fine wet sandpaper (e.g., 2000 grit) dipped in water, then wipe with toothpaste or polishing compound to restore shine. • Avoid Steel Wool or Abrasive Cloths: While quartz stone is highly durable, prolonged use of rough cleaning tools can wear down the resin, causing the surface to dull and lose its luster. Stands Up to hot cookware and is Heat-safe up to 650℉ Crafted from Premium Quartz Composite (natural quartz + acrylic resin)

Brand: Couoko


Color: Speckled White


Material: Granite Composite, Quartz


Size: 30"x19"x10"


Product Dimensions: 30"D x 19"W x 10"H


Brand Name: Couoko


Model Number: CG2WUS301910


Number of Items: 1


Number of Packs: 1


Unit Count: 1 Count


Included Components: Quartz Kitchen Sink


Manufacturer: Couoko


Manufacturer Part Number: CG2WUS301910


Size: 30"x19"x10"


Item Dimensions D x W x H: 30"D x 19"W x 10"H


Color: Speckled White


Style: Quartz Kitchen Sink


Shape: Rectangular


Material Type: Granite Composite, Quartz


Finish Types: Polished


Product Care Instructions: Wipe with Damp Cloth


Installation Type: Undermount


Drain Type: Lift and Turn


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Saturday, Sep 12

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

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Top Amazon Reviews

    • Awesome sink
Color: White Gold Set name: 33x22 Inch
Really great
Reviewed in the United States on August 14, 2026 by Aracelis Pimentel
    • Elegant, Durable, and Incredibly Practical
This undermount quartz composite bar sink is a beautiful upgrade that combines modern style with outstanding functionality. The white finish gives the space a clean, high-end look, while the non-porous surface resists stains, scratches, and everyday wear, making it easy to keep looking new. The deep single bowl provides plenty of room for washing dishes and food prep, and the included cutting board, bottom grid, and drain assembly add even more convenience. I also appreciate how quiet the sink is, with excellent noise reduction and fast drainage that keeps water from pooling. The construction feels solid and built to last, making it a dependable choice for kitchens, wet bars, or RVs. With its premium quality, thoughtful accessories, durability, and excellent value for the money, this is an excellent purchase that brings both beauty and practicality to any space. ... show more
Reviewed in the United States on July 31, 2026 by Elenachikhlya
    • A good fit for our small wet bar
Color: Speckled Black Set name: 21 Inch
I installed this in our small kitchen about three weeks ago, and the size has worked well for rinsing glasses and handling snack prep without taking over the counter. The deep bowl holds more than I expected, including a small stack of cups after having friends over. Water drains cleanly toward the back, and the material keeps the sound down compared with our old stainless sink. The cutting board is handy when I’m slicing lemons nearby, and the bottom grid gives the bowl some protection. It does show water spots if I leave it wet, so I wipe it out after use. Installation is better suited to someone already comfortable with an undermount setup. ... show more
Reviewed in the United States on July 23, 2026 by Ramon Gonzalez
    • Looks really pretty, works great
Color: Speckled Black Set name: 21 Inch
I got this undermount bar sink for a smaller kitchen or bar area project, and I really like the look of it. The white quartz granite composite gives it a clean, modern appearance, and it feels much more high-end than a basic stainless steel sink. The compact size makes it a great option for a wet bar, island, outdoor setup, or even an RV where space is limited. The sink is sturdy and looks great once installed, but keep in mind that the undermount style does require more planning during installation to get the cutout and fit just right. The white finish also means you may notice stains or buildup more than with darker sinks, so it does need regular cleaning to keep it looking its best. It’s a stylish and functional small sink that adds a nice upgrade to a compact space. ... show more
Reviewed in the United States on July 23, 2026 by Peter O.
    • Beautiful workstation
Color: White Gold Set name: 24x18x12 Inch
Adding this 21x18 white quartz granite composite undermount bar sink has drastically increased the functionality of the setup. The quality is excellent. The engineered stone composite feels dense and solid, shrugging off scratches, stains, and impacts while muting the noise of running water very effectively. Getting a premium material basin that includes integrated custom accessories, like the perfectly fitted cutting board, delivers outstanding value compared to purchasing basic stainless steel options. Sized at 21 inches, it strikes a great balance as a single bowl, which would make it a highly compact solution for a mini wet bar, a small kitchen island, an outdoor cooking area, or an RV counter while remaining deep enough for serious cleaning. Mounting the unit underneath the counter is a standard undermount procedure, requiring a precise cutout but resulting in a perfectly flush, debris-free edge that is incredibly easy to maintain. ... show more
Reviewed in the United States on July 17, 2026 by Angie K
    • Looks and feels high-end
Color: Speckled Black Set name: 21 Inch
We were redoing a small wet bar area in our basement and wanted something that didn't look cheap. This 21" sink was exactly what we needed. The quartz composite material feels solid and has a nice natural stone texture that you don't usually find at this price point. It's a big step up from the thin stainless steel or plastic options we looked at. The speckled black finish is really attractive. does a great job hiding water spots and coffee drips. The depth is surprising for a compact sink. it easily handled washing a few wine glasses and a small cocktail shaker without any splashing. I like the included cutting board and bottom grid. it makes the whole setup feel like a complete workstation. The installation was straightforward. the rear drain leaves plenty of room under the cabinet. ... show more
Reviewed in the United States on July 8, 2026 by river
    • 21" Undermount Granite Composite Bar Sink
Color: Speckled Black Set name: 21 Inch
I installed this as a prep/bar sink and have been very happy with it. The granite composite material feels substantial and has a nice matte finish that hides water spots better than stainless steel. The included cutting board is a useful bonus and fits the sink well. The bowl is deep enough for washing larger items than I expected while still fitting comfortably into a smaller cabinet. The speckled black finish looks modern, and overall the sink feels durable and well made. For a bar, prep kitchen, RV, or outdoor kitchen, it's a nice option. Value ... show more
Reviewed in the United States on July 22, 2026 by mike
    • Great Upgrade for My Kitchen Space
I installed this 21 inch undermount bar sink in my kitchen prep area. The white quartz look is clean and modern and it matches my countertop very well. The sink feels very solid and heavy which gives me confidence in the quality. I like the deep bowl because it holds a lot of dishes and makes washing big pots much easier. Water drains quickly and does not pool at the bottom which is something I had with my old sink. It is also much quieter when water runs which makes the kitchen feel calmer. Cleaning is simple and stains do not stick easily. I use it every day and it still looks new. ... show more
Reviewed in the United States on May 4, 2026 by AmazonCustomer

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