The best deep double kitchen sink depends on your cabinet, installation style, and preferred finish. For a 33-inch drop-in sink with two 9-inch-deep bowls, consider the ATTOP black nano-finish model, Lanxlic’s 18-gauge option, or Kitsitchen’s T304 steel design. The DuyviSteil is a smaller drop-in choice with bowls up to 8.26 inches deep, while Rhbamoa offers a 30-inch undermount sink with 9-inch-deep bowls.
| Sink | Installation | Listed depth | Standout feature |
|---|---|---|---|
| ATTOP Black Nano | Drop-in | 9 inches | Black embossed finish |
| Lanxlic 33-Inch | Drop-in | 9 inches | 18-gauge steel and sound pads |
| Kitsitchen 33-Inch | Drop-in | 9 inches | T304 steel and two strainers |
| DuyviSteil 30.7-Inch | Drop-in or topmount | 8.26 inches | Compact footprint |
| Rhbamoa 30-Inch | Undermount | 9 inches | 16-gauge steel |
ATTOP 33-Inch Black Nano Double Sink

This ATTOP sink measures 33 by 22 inches and has two 9-inch-deep bowls. It is a drop-in model with an 18-gauge stainless steel bowl and a 3.0-millimeter edge plate. Its black nano mini-bead embossed finish and 10-millimeter-radius corners are designed for a distinctive appearance and easier cleaning.
Best for: Homeowners seeking a deep, black double-bowl sink with a textured finish. It stands out among the listed 33-inch options for its black surface and stated 18-gauge bowl construction.
Consider: Confirm the countertop opening and cabinet dimensions before choosing a 33-by-22-inch drop-in sink. The product details do not specify sound-dampening pads.
Lanxlic 33-Inch 18-Gauge Double Sink

Lanxlic’s 33-by-22-by-9-inch sink has a 50/50 double-bowl layout and a stated minimum cabinet size of 36 inches. The product information specifies 304 stainless steel, an 18-gauge sink body, and a standard 3.5-inch drain opening. Sound-absorbing rubber pads and an anti-condensation undercoating are also listed.
Best for: Buyers who want a deep drop-in sink with listed noise-reduction and condensation-control features. The 18-gauge body and 9-inch depth make it a strong option for everyday washing and separate-task use.
Consider: The stated 36-inch minimum cabinet size is important; check the cabinet and countertop cutout rather than relying on the exterior dimensions alone.
Kitsitchen 33-Inch T304 Double Sink

This 33-by-22-by-9-inch Kitsitchen model is designed for drop-in installation and uses a 50/50 two-bowl layout. Its listing identifies T304 stainless steel and includes two strainers. Separate bowls can help divide tasks such as rinsing, soaking, and washing, while the 9-inch depth offers more vertical space than a shallow sink.
Best for: Buyers looking for a 33-inch deep drop-in sink with T304 steel and included strainers. The two equal bowls suit kitchens where users want to keep washing and rinsing tasks separate.
Consider: The supplied product details do not state the required minimum cabinet size or steel gauge. Verify both measurements and installation requirements before purchase.
DuyviSteil Compact Double-Bowl Sink

The DuyviSteil measures 30.7 by 16.9 inches and is made from 304 stainless steel. Its two bowls are different sizes: 14.8 by 15 inches and 13 by 13 inches. The deeper bowl is listed at 8.26 inches. The sink supports topmount or drop-in installation and has a nano coating intended to help resist water spots, fingerprints, and minor scratches.
Best for: Buyers who need a smaller double sink and prefer two unequal bowls for different tasks. It is a more compact alternative to the 33-inch models in this guide.
Consider: The listing recommends a 34-inch-or-larger cabinet. Check the sink dimensions carefully, particularly if replacing an existing sink or working with a cut countertop.
Rhbamoa 30-Inch Undermount Double Sink

Rhbamoa’s 30-by-18-inch sink has two equal bowls, a listed 9-inch depth, and an undermount design. Its product details specify 16-gauge T304 stainless steel and a brushed finish intended to hide fingerprints, water spots, and minor scratches. The listing also describes the steel as resistant to rust, stains, and corrosion.
Best for: Buyers planning an undermount installation who want a deep 50/50 sink and a stated 16-gauge construction. It is smaller in overall footprint than the 33-inch drop-in options.
Consider: This is an undermount model, so it is not a like-for-like replacement for a drop-in sink. Confirm countertop and cabinet suitability before selecting it.
Buying Guide: How To Choose A Deep Double Kitchen Sink
How deep should the bowls be?
Compare the listed bowl depth, not just the sink’s outside height. The options here range from 8.26 to 9 inches deep. A deeper bowl can provide more vertical room for washing, but the right choice depends on your cabinet setup and daily tasks.
Which installation style do you need?
Drop-in sinks sit in a countertop opening with the rim resting on top. Undermount sinks attach beneath the countertop. Choose a style that matches your counter, existing cutout, and installation plan. Do not assume a sink will fit based only on its width.
What size cabinet and opening are required?
Check the manufacturer’s stated minimum cabinet size and compare it with the sink’s exterior dimensions. Lanxlic lists a 36-inch minimum cabinet size, while DuyviSteil recommends a cabinet of at least 34 inches. Measure the available space and verify cutout requirements before ordering.
Does bowl layout matter?
A 50/50 layout provides two equal bowls for separating tasks. An unequal layout, such as DuyviSteil’s, gives one bowl more space than the other. Consider whether you commonly soak dishes, rinse produce, or wash larger cookware.
How should you compare materials and finishes?
Compare the stated steel type and gauge alongside the finish. The listed products include 304 or T304 stainless steel, and some specify 16- or 18-gauge construction. Black nano finishes offer a different look from brushed or satin steel; finish descriptions alone do not establish how a sink will perform in every kitchen.
Frequently Asked Questions
What is a deep double kitchen sink?
It is a sink with two separate bowls and greater bowl depth than a shallower design. The products in this guide list depths from 8.26 to 9 inches.
Is a 50/50 double sink useful?
A 50/50 sink has two similarly sized bowls. It can suit households that want to divide washing, rinsing, or soaking between separate basins.
Will a 33-inch sink fit my cabinet?
Not necessarily. Confirm the sink’s exterior dimensions, minimum cabinet requirement, and countertop cutout measurements. The Lanxlic listing specifies a 36-inch minimum cabinet size.
Should I choose drop-in or undermount?
Choose drop-in for a sink designed to rest at the countertop opening, or undermount for a model installed beneath the counter. The correct option depends on your countertop and installation requirements.
What does a sink’s gauge number indicate?
Gauge is a specification used to describe sheet metal thickness. Compare the gauge stated in each product listing, but also check the sink’s dimensions, material, installation style, and other listed construction details.