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How to choose the ideal sink for your home's kitchen

Discover how to choose the ideal kitchen sink with tips on types, sizes, materials, functionalities, and essential care for everyday use.

By CASACOR Publisher

Submitted at Aug 2, 2025, 8:50 AM

10 min de leitura
Bruno Moraes - Functional Kitchen. Project of CASACOR São Paulo 2023.

Bruno Moraes - Functional Kitchen. Project of CASACOR São Paulo 2023. (Guilherme Pucci)

Choosing the ideal kitchen sink goes far beyond aesthetics: it guarantees functionality, durability, and comfort in everyday use. After all, the sink is one of the most used areas of the kitchen — whether for food preparation, dishwashing, or organizing the countertop. That’s why it’s important to evaluate some criteria before buying, such as the type of installation, the size suitable for your space, the material of the piece, and the care needed for maintenance.

Types of kitchen sinks: drop-in, under-mount, vessel, or carved?


Duplex gains the look of a house with an outdoor area filled with green. Project by Erica Salguero. In the photo, kitchen with blue cabinetry.

(Renato Navarro/Divulgação)

The first step is to understand the main types of sink available in the market, which vary according to the installation method:
  • Under-mount sink: installed beneath the countertop, it creates a clean and seamless look. It is widely used in contemporary projects and facilitates cleaning, as residue can be swept directly into the sink.

  • Drop-in sink: installed over the countertop, with the edge visible. Although it has a less sophisticated finish, it is practical and easy to install, being common in traditional kitchens.

Integrated with the garden, this 500 m² house in São Paulo is filled with green. Project by Tetriz Architecture. In the photo, kitchen with gray cabinetry and a farm sink.

Projeto de Tetriz Arquitetura. (Fernando Crescenti/Divulgação)

  • Vessel sink: uncommon in kitchens but possible in creative designs. In this model, the sink is fully supported on the countertop, becoming more prominent — usually used in gourmet kitchens or those with a distinctive aesthetic.

  • Carved sink: made from the same material as the countertop (like granite or marble), it provides an elegant and seamless look. Although it requires more delicate maintenance, it is excellent for high-end projects.

The choice of type depends on both the desired aesthetic and the type of countertop and the expected functionality in daily use.

Sizes and depths: how to choose according to use and space


With 76 m², the apartment gains modern décor designed for the family's cats. Project by Daniela Funari. In the photo, the kitchen and laundry are separated by a metalwork door.

(Mariana Camargo/Divulgação)

Another determining factor in choosing the sink is the size of the piece. The width, depth, and number of sinks should be proportional to the space available and the use of the kitchen.
  • Single sinks (1 sink): ideal for small kitchens or occasional use. Compact, they optimize countertop space.

  • Double or triple sinks: recommended for those who cook frequently, need to separate food and dishes, or want an additional sink for draining utensils.

Mimetic doors and off-white tones characterize the décor of a 104 m² apartment. Project by Daniela Funari. In the photo, an integrated living room with kitchen and island.

Projeto de Daniela Funari. (Mariana Camargo/Divulgação)

  • Depth: prefer sinks with more than 20 cm of depth to avoid splashes and accommodate large pots more comfortably.

  • Sinks with accessories: some models come with cutting boards, draining racks, or baskets, which enhance the functionality of the countertop and help with organization.

Always consider the available space in cabinetry, the type of cooktop or stove installed, and the ergonomics of the projects.

Most common materials: stainless steel, granite, ceramics, and synthetics


Meet the apartment of architects Carol Freitas and Fabio Bouillet. In the photo, a kitchen with planned cabinetry and shelves.

Projeto de Carol Freitas e Fabio Bouillet. (Lilia Mendel/Divulgação)

The material of the sink directly influences the aesthetics, durability, and ease of cleaning the piece:
  • Stainless steel: the most common and accessible. It is resistant, hygienic, and goes well with various styles of kitchens. However, it can scratch easily and requires constant maintenance to avoid stains.

  • Granite or marble: used in carved sinks, they are sophisticated and durable, but require care to avoid grease or chemical stains.

[caption id="attachment_185483" align="alignnone" width="2953"]Clean decoration emphasizes the sea view in this apartment. Project by Studio 021 Architecture. In the photo, kitchen with white cabinetry.[/caption>
  • Ceramics: more common in washrooms, but also used in kitchens with retro or rustic styles. It is easy to clean but more susceptible to cracks and impacts.

  • Synthetic composites (like quartz or resin): offer an elegant appearance and a variety of colors. They are resistant but require care with heat and abrasive products.

Choosing the ideal material depends on the style of your kitchen, the frequency of use, and the desired ease of maintenance.

Functionalities and uses: the right sink for every need


180 m² apartment is modernized for the arrival of the new baby. Project by Roberta Nicolau. In the photo, kitchen with gray cabinetry.

(Juliano Colodeti, do MCA Estúdio/CASACOR)

The choice of sink should also consider the kitchen usage profile. If you often cook or frequently host guests, investing in a double sink or one with integrated accessories can make all the difference.
  • Sinks with soap dispensers, draining racks, or integrated cutting boards simplify daily tasks and optimize space.

  • Models with auxiliary sinks allow washing food separate from dishes or cleaning vegetables without contact with dirty utensils.

  • Sinks with hidden drains provide a cleaner and more modern look, ideal for customized kitchens focused on design.

It's important to think of the sink as a true functional point in the kitchen, integrating beauty and practicality.

Care and maintenance to prolong the lifespan


House in the mountains gets an annex with a stone wall in Rafael Mirza's project. In the photo, kitchen with blue cabinetry and subway tiles.

Projeto de casa na Serra assinado por Rafael Mirza (Dhani Borges/CASACOR)

Finally, the durability of the kitchen sink depends on simple yet fundamental care:
  • Daily cleaning: use neutral soap and a soft sponge. Avoid abrasive products, which can scratch or damage the finish.

  • Avoid thermal shocks: in ceramic or synthetic sinks, sudden temperature changes can cause cracks.

  • Dry after use: especially in stainless-steel sinks, to avoid water spots and maintain shine.

  • Reapply sealants: in the case of carved sinks made of granite or marble, it's recommended to reapply sealants periodically to preserve the material.

Maintaining a routine of cleaning and care ensures beauty and hygiene, as well as prolonging the lifespan of your sink and countertop. CASACOR Publisher is a content creator agent, developed by the CASACOR Technology team based on the knowledge base from casacor.com.br. This text was edited by Yeska Coelho.