Compact Rectangular Undermount Bathroom Sink Review: Space-Saving Design, Vitreous China, and Easy-Clean Finish

A small bathroom sink has to do more than simply fit the vanity. It should preserve useful countertop space, provide enough bowl depth for everyday washing, coordinate with the faucet layout, and remain easy to maintain over years of use.

This compact rectangular undermount bathroom sink is designed around those priorities. With a clean white finish, vitreous china construction, and an exterior size of approximately 17 15/16 inches long by 13 inches wide, it is aimed at smaller vanities, powder rooms, guest bathrooms, and other spaces where a full-size basin may feel oversized.

Its undermount installation also keeps the countertop visually uncluttered by hiding the sink rim below the surface. For homeowners who want a contemporary bathroom sink without sacrificing too much usable vanity space, this format offers a practical balance between appearance and function.

What Is This Compact Undermount Bathroom Sink?

This model is a rectangular bathroom basin designed to mount beneath a countertop.

According to the supplied specifications, the exterior dimensions are approximately:

17 15/16" L × 13" W × 7 1/16" H

The interior bowl measures approximately:

15 3/4" L × 10 5/8" W × 5 11/16" D

The sink is constructed from vitreous china and finished in glossy white.

It is intended for use with stone or solid-surface countertops and can be combined with either a deck-mounted or wall-mounted faucet depending on the bathroom design.

Why a Compact Bathroom Sink Makes Sense

Not every bathroom benefits from a large basin.

In a narrow vanity, oversized sink dimensions can leave very little room for:

• Soap
• Toiletries
• Hand towels
• Grooming products

A smaller undermount basin can preserve more of the surrounding countertop while still providing enough washing area for ordinary bathroom use.

Ideal for Powder Rooms

Powder rooms often need only a practical handwashing basin.

There is usually less need for the oversized sink area that may be useful in a primary bathroom.

A compact rectangular undermount sink can therefore provide a better proportion between:

• Vanity
• Countertop
• Basin

in a smaller room.

Useful for Narrow Vanities

A sink that measures about 13 inches front to back can help when the countertop itself is shallow.

That can be useful in bathrooms where a deeper vanity would interfere with:

• Walkways
• Doors
• Shower access

The smaller basin allows the vanity to remain functional without dominating the room.

Rectangular Basin Design

The sink uses a rectangular profile rather than an oval or round shape.

Rectangular basins are commonly chosen for modern bathrooms because they create cleaner visual lines and coordinate well with contemporary vanities.

The shape also makes efficient use of the available width.

Rectangular vs. Oval Sink

An oval sink has softer contours and can feel more traditional.

A rectangular basin tends to look:

• More architectural
• More contemporary
• More structured

Neither shape is inherently more functional, so the choice is largely about available space and design preference.

Undermount Installation

The sink installs beneath the countertop.

This means the countertop edge remains exposed around the basin rather than being covered by a visible sink rim.

The result is a clean, integrated appearance.

Why Undermount Sinks Are Popular

Undermount installation offers a few practical advantages.

Because there is no raised rim around the sink, water and small debris on the counter can be wiped directly into the bowl.

This can make the vanity easier to clean than some drop-in sink designs.

Countertop Material Matters

Undermount sinks work best with solid countertop materials that can support a finished cut edge.

Common choices include:

• Quartz
• Granite
• Solid surface
• Engineered stone

Laminate countertops generally require more care because the exposed cut edge must be protected from moisture.

Verify the Cutout Before Fabrication

One of the most important installation steps is confirming the actual sink dimensions before the countertop is cut.

Ceramic manufacturing can involve small dimensional variations.

For that reason, the safest approach is often to have the physical sink available before final countertop fabrication.

Bowl Dimensions and Everyday Usability

The interior bowl measures approximately 15 3/4 inches long, 10 5/8 inches wide, and 5 11/16 inches deep.

That makes it compact but still large enough for common bathroom tasks such as:

• Washing hands
• Brushing teeth
• Basic grooming

It is not intended to provide the same capacity as an oversized vanity basin.

Is a 5 11/16-Inch Bowl Deep Enough?

For routine handwashing, this depth should be adequate for many users.

However, splash behavior also depends on:

• Faucet height
• Water pressure
• Spout reach

A very tall faucet paired with a shallow compact bowl can create more splash than a properly proportioned fixture.

Faucet Selection Matters

The sink itself is designed to work with either wall-mounted or deck-mounted faucets.

That gives homeowners flexibility in how the vanity is configured.

Deck-Mount Faucet

A deck-mounted faucet is installed through the countertop behind or beside the sink.

This is the more conventional setup and is often easier during a standard vanity replacement.

Before installation, make sure there is enough countertop depth for:

• Faucet body
• Handle clearance
• Backsplash

Wall-Mount Faucet

A wall-mounted faucet can create a cleaner countertop and may free additional space around a compact sink.

However, it requires plumbing inside the wall and more precise installation planning.

The spout projection must align correctly with the center of the basin.

Faucet Spout Reach

Spout reach is especially important with a small sink.

The water stream should land well inside the bowl rather than too close to the rear wall or drain.

A poorly matched faucet can result in:

• Countertop splashing
• Water hitting the back wall
• Awkward handwashing

Always compare the faucet dimensions with the actual basin geometry.

Vitreous China Construction

The sink is made from vitreous china.

This is a common bathroom-fixture material created by firing ceramic at high temperatures and applying a glazed surface.

The finished material is:

• Hard
• Smooth
• Moisture resistant

which makes it well suited to bathroom use.

Why Vitreous China Is Popular

Vitreous china offers a good combination of durability and easy maintenance.

The glazed surface does not readily absorb water and generally resists everyday bathroom staining when cleaned regularly.

It also provides the classic glossy white finish expected from many bathroom sinks and toilets.

Glossy White Finish

The white glazed surface keeps the sink visually neutral.

It can work with a wide range of materials, including:

• Natural wood vanities
• Black fixtures
• Chrome faucets
• Brushed nickel
• Marble-look countertops

White also makes it easier to coordinate the sink with other bathroom fixtures.

Easy Cleaning

A smooth glazed ceramic surface is relatively simple to maintain.

For routine care, use:

• Mild bathroom cleaner
• Soft cloth
• Non-abrasive sponge

Regular cleaning can prevent soap residue and mineral deposits from becoming difficult to remove.

Avoid Harsh Abrasives

Even though vitreous china is hard, overly aggressive scouring can dull or scratch the glazed finish.

Avoid:

• Steel wool
• Coarse abrasives
• Harsh scraping tools

unless specifically recommended by the manufacturer.

Hard-Water Considerations

Hard water can leave mineral deposits around the drain and bowl walls.

These marks do not necessarily indicate a defect in the glaze.

Periodic cleaning with a ceramic-safe descaling product can help maintain the sink's appearance.

Undermount Sink vs. Drop-In Sink

A drop-in sink sits on top of the countertop with a visible rim.

An undermount model attaches beneath it.

Undermount Advantages

• Cleaner appearance
• Easier countertop wiping
• No raised rim

Drop-In Advantages

• Often easier to install
• More countertop materials are compatible
• Replacement can be simpler

The undermount option is generally better when a sleek, integrated vanity is the priority.

Undermount Sink vs. Vessel Sink

A vessel sink sits above the countertop and becomes a major visual feature.

The compact undermount sink takes the opposite approach.

It keeps the basin visually understated and preserves a flatter counter surface.

For smaller vanities, that can make the room feel less crowded.

Space-Efficient Vanity Planning

The outer sink dimensions are only part of the planning process.

You also need room for:

• Mounting hardware
• Plumbing
• Faucet placement
• Countertop structure

The actual minimum cabinet width may therefore be larger than the sink itself.

Check Cabinet Interior Space

Undermount hardware and drain plumbing occupy space beneath the sink.

If the vanity has drawers directly below the countertop, confirm that the basin depth will not interfere with them.

This is especially important with compact furniture-style vanities.

Drain Compatibility

The supplied source does not state the drain-hole diameter.

Before purchasing a pop-up drain, confirm the exact opening size.

Bathroom sinks commonly use standardized drain fittings, but compatibility should never be assumed without checking the product specifications.

Overflow Information

The source does not mention whether the sink includes an overflow opening.

That detail matters when choosing a drain assembly.

If the sink has an overflow, use a compatible drain designed for overflow basins.

If it does not, choose a non-overflow drain.

Installation Support

The sink is described as suitable for undermount installation under stone or solid-surface countertops.

Professional countertop installation can be worthwhile because the basin must be:

• Properly supported
• Correctly aligned
• Securely sealed

Adhesive alone should not be assumed to be sufficient unless the manufacturer specifically specifies that method.

Proper Support Is Important

An undermount sink hangs below the countertop, so the mounting system must safely support the weight of the ceramic basin.

Installation may use:

• Clips
• Brackets
• Structural support

depending on the countertop and manufacturer's instructions.

Seal the Sink Correctly

The joint between the sink and countertop should be sealed to prevent moisture from entering the mounting area.

A neat seal also makes the edge easier to clean.

Protective Packaging

The product is described as using reinforced packaging.

That matters because ceramic fixtures can be vulnerable to impact during shipping.

Even with protective packaging, inspect the sink carefully when it arrives.

Inspect Before Cutting the Countertop

Before installation, check for:

• Cracks
• Chips
• Glaze damage
• Dimensional issues

Do this before the countertop is fabricated or cut.

It is far easier to address a damaged sink before custom stonework has been completed around it.

Two-Year Limited Warranty

The supplied description states that the sink includes a two-year limited warranty.

Warranty terms can vary, so check what is actually covered.

Typical exclusions may involve:

• Installation damage
• Impact damage
• Improper maintenance

Keep the purchase documentation in case a claim is needed.

Customer Support

The source states that customer service responds within approximately 48 hours.

That can be useful for installation questions or product issues, although response times should be understood as a seller claim rather than a guaranteed service level.

Common Buying Mistakes

Choosing the Sink Before Measuring the Vanity

Measure the cabinet and countertop first.

Cutting the Countertop Before Receiving the Sink

Use the actual basin or approved template when possible.

Ignoring Faucet Reach

A compact bowl needs a properly proportioned faucet.

Assuming the Drain Size

Verify the drain opening before ordering hardware.

Forgetting Cabinet Clearance

The bowl extends below the countertop and may interfere with drawers.

Who Is This Sink Best For?

This model may be a good fit for buyers who want:

• Compact bathroom sink
• Rectangular modern shape
• Undermount installation
• Glossy white finish
• Vitreous china construction
• More usable countertop space

It is especially relevant for powder rooms, guest bathrooms, and smaller vanities.

Who Might Prefer a Larger Sink?

A larger basin may be better if the sink is used frequently for:

• Face washing
• Shaving
• More extensive grooming

A wider and deeper bowl provides more room and may reduce splashing.

The tradeoff is reduced countertop area.

Pros and Considerations

Advantages

• Compact rectangular footprint
• Exterior size approximately 17 15/16" × 13"
• Undermount design
• Vitreous china construction
• Smooth glazed surface
• Glossy white finish
• Compatible with deck- or wall-mounted faucets
• Suitable for smaller vanities
• Two-year limited warranty

Potential Considerations

• Compact bowl offers less washing space than a larger sink
• Exact drain size is not supplied
• Overflow configuration should be verified
• Countertop cutout requires careful planning
• Undermount installation needs secure structural support
• Faucet dimensions should be matched carefully to the basin

Frequently Asked Questions

What are the exterior dimensions?

Approximately 17 15/16 inches long, 13 inches wide, and 7 1/16 inches high.

What are the interior bowl dimensions?

Approximately 15 3/4 inches long, 10 5/8 inches wide, and 5 11/16 inches deep.

Is it an undermount sink?

Yes.

What is it made from?

Vitreous china with a glazed finish.

Is the finish glossy?

Yes. The supplied description identifies it as glossy white.

Is it suitable for a small vanity?

Yes. Its compact dimensions are one of the main advantages.

Can I use a wall-mounted faucet?

Yes, provided the faucet is positioned and sized correctly.

Can I use a deck-mounted faucet?

Yes, if the countertop has enough room for the faucet installation.

Does the sink include faucet holes?

An undermount basin of this type normally relies on the countertop or wall for faucet mounting, and the source does not describe integrated faucet holes.

What drain size does it use?

The supplied description does not specify. Verify before purchasing the drain assembly.

Does it have an overflow?

The source does not state whether an overflow is included. Confirm the exact model before choosing a drain.

Is it easy to clean?

Yes. The smooth glazed vitreous china surface is designed for straightforward routine maintenance.

What countertops work with it?

It is described for use with stone or solid-surface countertops.

Should I receive the sink before cutting the countertop?

Yes. Using the actual sink or manufacturer-approved template helps reduce the risk of a poor cutout fit.

What warranty is included?

The supplied information states a two-year limited warranty.

Final Thoughts

This compact rectangular undermount bathroom sink is a practical choice for homeowners who want a clean modern vanity without giving too much countertop space to the basin.

Its strongest features are the space-efficient 17 15/16-by-13-inch exterior dimensions, smooth vitreous china construction, undermount installation, and flexible compatibility with either wall-mounted or countertop faucets.

The most important planning considerations are installation-related. Buyers should verify the drain opening, overflow configuration, faucet reach, cabinet clearance, and actual countertop cutout before beginning the project.

For a powder room, guest bathroom, or smaller vanity where space efficiency matters, this sink offers a sensible combination of compact dimensions, contemporary rectangular styling, easy-clean ceramic construction, and a seamless undermount appearance.