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Master Bathroom – What is It, Layout, and Ideas to Consider in 2024

The master bathroom should be the most relaxing aspect of your home, where you can disappear and relax, forgetting about the troubles of your day. It should be spacious and comfortable enough to fit all your bathroom amenities, but can also act as an efficient family bathroom as well. Today, we will share some useful tips and ideas for you to make the most out of your master bathroom, and if you are on the fence about adding one to your home, perhaps we can change your mind.

What is a Master Bathroom? 

A master bathroom is defined by being the largest bathroom in the home, which also features at least one toilet, sink, shower and bathtub, and a hot and cold water supply. At a minimum, a master bathroom should be around 40 square feet, with the extra space accommodating larger features such as dual vanities and additional storage. These bathrooms are typically designed to be attached to the master bedroom, but other entrances can also be added. Their primary purpose is to provide all bathroom care necessities, so it becomes a retreat from feature all elements of a bathroom, providing a comforting retreat from the stress and tribulations of the day. 

Master Bathroom Features

These features help transform a master bathroom from just a large bathroom to something more spacious and comfortable:

Bathroom Vanity

Most bathrooms feature a vanity, but the additional size of a master bathroom allows for an even larger vanity, which results in more storage and counter space. The additional space helps to remove clutter from your bathroom, making the space more attractive. 


While most bathrooms feature a bathtub, having a master bath means you have access to more bathtub options, specifically larger freestanding bathtubs, which are much more comfortable and spacious than the traditional drop-in tubs. 

Walk-in shower

Master baths afford you additional space, which means there is room for a walk-in shower. Walk-in showers generally have more room and space than the traditional shower/tub combo and give you additional freedom in changing the tile material to suit your tastes.


Master bathrooms feature at least one toilet, but two toilets are always accommodated depending on your needs. The toilet is always positioned between the shower and the bathtub, giving you ample space compared to a traditional toilet setup. 


More room means more lights and better lighting setups. With the additional space provided, master bathrooms can accommodate multiple tiers of lighting such as task lighting or ambient lighting to establish whatever mood you want to convey in your space.  


Large mirrors are a common feature of master baths given the larger vanities and empty wall space. Because there is much more space avaliable, you can install more advanced mirrors that provide illumination at night or play music. 


Heated floors are another feature that can added to your master bath to ensure that you are always comfortable no matter what time of day you need to use your bathroom.


The increased size of the master bathroom ensures that moisture isn’t trapped in pockets, and the added space allows for larger fans to be installed to prevent mold and mildew buildup. 

Master Bathroom Dimensions 

Your Master bathroom dimensions will depend on several factors such as your available floor space and budget. Any bathroom can be converted to a master bath, but you will need to account for your personal preferences as each master bath is unique to each home. These are the common dimensions:

Small-sized Master Bathroom40 square feet
Medium-sized Master Bathroom100 square feet
Large-sized Master Bathroom120 square feet

40 square feet is the minimum size because it is the required space to accommodate all the fixtures of a master bath including bathtub, shower, toilet, sink, and vanities, but keep in mind that the space will feel more cramped as a result. While the dimensions are provided, the general shape and layout is up to you and your own preferences. Many people opt for a more cozy layout as opposed to the cavernous open space, but again, it is ultimately up to you.

Steps to Having a Master Bathroom in Your Home

When you are ready to choose a master bath for your home, follow these steps to help you plan:

1. Define the master bathroom layout.

First, determine your overall layout. You want to consider how you normally use the bathroom, placing your sinks close to your toilet, and your shower/bathtubs should be furthest away from the door and close to an open window to allow for ventilation but some privacy as well. When it comes to your master bathroom layout, the only hard rule is that all the doors and entryways should not conflict, giving you ample space to move between each essential area of your bathroom.

2. Determine your needs. 

What does your household need? Do you need more sinks to accommodate a busy family? Do you need a second toilet? A second shower? Does your bathroom need to be ADA-compliant? These issues may seem trivial or small, but they will help you design your space so you won’t have to pay for these additions later. 

3. List the features you need.

Make a comprehensive list of desired features such as a walk-in shower, a freestanding bathtub, or a large vanity. This will provide you with a comprehensive checklist when you are shopping for these fixtures and will give you a better idea of what you need for your home before you begin discussing your budget. 

4. Determine your budget.

Now, with your essential fixtures listed out, you can now better tackle your budget. This step will have you research different fixtures and materials for your essential features. Determine what is negotiable and non-negotiable for your bathroom and move on from there. This budget will help you plan each step and give you a good sense of where you can spend your money and where you can hold back. 

5. Find the right professionals. 

With your plan firmly in place, it is time to contact professionals to start the process. Remember to shop around and find multiple quotes before hiring a contractor. Take your time and be confident in your ability to walk away if you don’t like what they are selling you. Through persistence and time, you will find the right contractors for your project. They will also lend you their experience and expertise, advising you on your project and giving you helpful insight on your layout and needs. 

Design Tips for Master Bathroom

When it comes to designing your master bathroom, keep these design elements in mind to ensure a more cohesive and attractive look:

Use the same color for the floor and walls.

This will give your bathroom a more cohesive aesthetic, making the space appear more attractive and vibrant. A combination of multiple colors can be achieved, but if you don’t spend enough time researching color combinations, you can make your bathroom feel mismatched and off. 

Install big windows

Natural lighting is a great asset for any space and big windows will provide you with both natural lighting and help to air out your space. 

Use good lighting

Invest in good lighting to create a more cohesive atmosphere in your bathroom. If you are unsure of how to setup your lights, hire an electrician to provide you with different tiers of lighting to create a much more soothing bathing environment. 

For tight spaces, use sliding doors

Sliding doors are a creative way to save space, so consider them if your space is too small to accommodate a swinging door. 

Accessorize carefully

Similar to colors, be sure to choose the right accessories to complement your space. If you are unsure of what to pick, consult your contractor, or simply experiment with what you like.  

How to Maintain and Clean a Master Bathroom 

An often overlooked element of your master bathroom is the care and maintenance. Since the space is spacious and large compared to other bathrooms, it is often neglected as a result, which can lead to an unfortunate buildup of growth, leading to nasty elements such as mold or mildew. If ignored, these elements can lead to home damage and health problems for you and your family. To prevent this from happening ensure the following:

Proper ventilation

Always keep your bathroom properly ventilated so that moisture does not build up. Moisture is the root cause of most unwanted elements in your bathroom, so be vigilant about keeping the fan and windows open.

Regular cleaning 

Be sure to maintain and clean your bathroom regularly, at least once every two weeks. This will ensure that you can keep an eye on it to prevent bacteria growth.

Use quality cleaning products

It may seem attractive to purchase cheaper cleaning agents, but many of these will leave unfortunate stains and residues behind. Invest in quality cleaning products that will ensure the longevity of your fixtures and require less maintenance over time as a result.

Dry your surfaces

As we discussed, moisture is the enemy in your bathroom. Keep all your surfaces dry and remove any excess moisture as soon as possible to prevent bacteria growth.

Grout and caulking

Your grout should last between 8 and 10 years, but you should still check it periodically to ensure that there are no cracks or breaks. Otherwise, you will have to deal with unwanted growths in the future. If you notice anything, remove the existing grout and recaulk it as soon as possible. 


Remove any clutter from your bathroom to ensure that you are able to spot issues before they become major problems. Add storage solutions to keep your bathroom neat and organized, so cleaning is much easier. 

Clean under 

Ensure that you are checking underneath your fixtures and bottles. Moisture will often get trapped underneath, which can lead to unfortunate growths if left ignored. 

One Step Closer to Your Master Bathroom

Today we have discussed the Master Bathroom dimensions, key features, and cleaning. But remember that the space is always yours to decorate and design how you see fit. Remember to consider the needs of your family and plan accordingly. And whenever you are ready, contact trusted professionals to begin. If you ever need inspiration for your remodel or simply want to browse our high-quality bathtubs, come visit us at

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