By optimizing the floor plan and amenities to match your guests’ group size and travel style, you’ll find it much easier to earn glowing reviews—which in turn drives repeat bookings and word-of-mouth referrals. This is especially true for properties designed to host larger groups, such as families or groups of friends, where the right amenities can make or break your success.

For properties catering to larger groups, it’s not just the number of bedrooms that matters—the number of bathrooms is a critical factor too. With only one bathroom, mornings and evenings can quickly turn into a bottleneck, with guests queuing up and departure times slipping. In fact, one of the most common complaints from families and groups staying together is “there weren’t enough bathrooms or sinks, so everything took forever” or “we ended up rushing around every single day.”

This article takes a deep dive into the idea that “vacation rentals designed for larger groups should ideally have two bathrooms.” We’ll explore why multiple bathrooms matter so much, what to look for when renovating or searching for a property, and cover practical considerations like cost and day-to-day operations.

1. Why Properties for Larger Groups Need Two Bathrooms

1-1. Avoiding Morning and Evening Bottlenecks

In properties hosting larger groups, everyone often wants to shower or bathe around the same time. Think about it: after a long day of sightseeing in the evening, or right before checkout in the morning—these are the exact moments when everyone tends to need the bathroom at once.

With only one bathroom, even if each person takes just 15-20 minutes, it can easily take over an hour for everyone to finish. This is especially true when traveling with children or a group that enjoys long, relaxing baths—the wait time only grows. The result? Reviews mentioning “our departure was delayed the next morning” or “we were stressed out waiting in line for the bathroom every day.”

With two bathrooms, multiple guests can bathe at the same time, dramatically easing the morning and evening rush. Guests get to make the most of their limited vacation time, which naturally boosts satisfaction.

1-2. Meeting the Needs of Families and Groups

For families and groups of friends traveling together, we often hear things like, “We want to hang out together, but it’s so much more convenient if we can use the bathroom or toilet at the same time.” This is particularly true for families with children, since kids and parents often keep different schedules—making multiple bathrooms a genuinely valuable feature.

For international guests and groups on longer trips, a property with multiple bathrooms and sinks tends to give off an impression of being “spacious and comfortable”—which can be a deciding factor when they’re choosing where to book.

2. Concrete Benefits: Better Reviews and Higher Booking Rates

2-1. Earning Positive Reviews

When it comes to vacation rental reviews, “number of bathrooms and cleanliness” consistently ranks among the top factors guests mention. That’s because the bathroom is one of the most frequently used spaces during a stay, and it directly reflects the level of privacy and cleanliness guests can expect.

Having two bathrooms gives guests a sense of “this place feels special,” and makes it much more likely they’ll leave positive comments like “having two bathrooms meant no waiting around” or “it was completely stress-free even with our whole family.”

Better reviews mean your listing is more likely to rank higher in search results, creating a positive cycle that boosts both booking rates and repeat guest rates.

2-2. Justifying a Higher Nightly Rate

Adding a second bathroom to a property that accommodates large groups may come with additional costs, but it also gives you solid grounds to set a higher nightly rate. If you can tell the story that “this property doesn’t just have more rooms—it also has two bathrooms,” guests are much more likely to think, “okay, that price makes sense.”

This is a major advantage: you can maintain fair pricing while delivering higher added value, boosting guest satisfaction without sacrificing profitability.

3. What to Consider When Renovating or Choosing a Property

3-1. Securing Space and Checking Plumbing

Adding a second bathroom means you’ll need to meet certain plumbing requirements. In particular, older standalone houses or apartments often require extensive construction work to add new water supply and drainage lines, which can drive up costs significantly.

You’ll also need a fair amount of space for the bathroom itself, so when planning a renovation, consult with a professional early on about whether to convert a spare room into a bathroom, or whether it’s feasible to extend an existing one. For apartments, building management rules may prohibit adding new plumbing fixtures altogether—so be sure to check this before moving forward.

3-2. Layout and Guest Flow

If you’re adding a second bathroom, where you place it matters just as much as having it in the first place. For example, you might put one bathroom on each floor, or position the two bathrooms far enough apart that different groups can use them simultaneously without interfering with each other. Think carefully about guest flow when planning the layout.

For properties that frequently host families or groups, consider placing a smaller bathroom near the children’s room, or setting up a dedicated en-suite bathroom next to the master bedroom. Designing a layout that lets guests move around without friction tends to earn higher ratings.

4. Cleaning Workload and Operational Considerations

4-1. The Potential for Higher Cleaning Costs

Adding a second bathroom means more area to clean. Restocking shampoo bottles, dealing with water stains and mold—these tasks all take more time and effort than usual, so you’ll need to factor in the resulting increase in cleaning staff costs.

That said, if you can increase your occupancy rate and set higher nightly rates as a result, that added cost may well pay for itself. You can also cut down on cleaning time by implementing features that make maintenance easier—such as mold-resistant and waterproof finishes, or well-organized storage for cleaning supplies.

4-2. Amenity Restocking and Supply Management

With an extra bathroom, you’ll need double the supply of bath mats, towels, and amenities. If guests are using both bathrooms at the same time, they’ll be dissatisfied if either one is missing essential supplies.

From an operational standpoint, it’s essential to have solid inventory management and cleaning procedures in place. For example, you might create a manual instructing cleaning staff to “check Bathroom A and Bathroom B together, verifying towels and amenities in both,” helping ensure smooth, consistent operations.

5. Weighing Cost-Effectiveness and ROI

5-1. Balancing Investment Against Expected Occupancy

Adding a second bathroom can sometimes cost anywhere from several hundred thousand to over a million yen. It’s important to run the numbers beforehand and determine whether the resulting rate increase and occupancy gains will justify that investment. If your area has few competing properties and a strong demand for accommodations that can host larger groups, you’re likely to recoup your investment relatively quickly.

On the other hand, if you’re in a highly competitive area where having two bathrooms doesn’t stand out as much of an added value, it may take longer to see a return. Before renovating, research local market rates and the amenities offered by nearby properties to understand just how much of a differentiator this feature will really be for you.

5-2. Marketing and Review Impact

If two bathrooms are going to be one of your property’s key selling points, make sure to highlight it prominently—both in your listing description and in your photos on platforms like Booking.com and Airbnb. Messaging like “comfortably accommodates large groups” or “no more waiting in line in the morning, even with family or friends” creates a clear point of differentiation, helping guests immediately see, “ah, this place will let us all stay together without any hassle.”

Guests who actually stay at your property are likely to leave reviews like “having two bathrooms made our mornings so much smoother,” which can catch the eye of future guests and create a positive, self-reinforcing cycle.

6. Conclusion: The Key to Successful Group-Friendly Vacation Rentals Is Going Stress-Free with Two Bathrooms

When families or groups of friends stay together, “not having enough bathrooms” is a major factor that can drag down their overall satisfaction with the trip. If a property is set up with plenty of bedrooms for large groups but only offers a single bathroom, complaints about morning and evening congestion are almost inevitable—and that significantly raises the risk of negative reviews.

That’s why we recommend considering the option of installing a second bathroom. While it does involve some added cost during renovation or property selection, it dramatically eases the morning and evening bathroom crunch and leaves guests with the impression that “this place is genuinely comfortable, even for a big group.” As a result, you’ll find it much easier to justify a higher nightly rate, and your review scores are likely to improve significantly.

Of course, there are real challenges to weigh carefully—additional costs, increased cleaning workload, and space constraints among them. But if your property is targeting larger groups, this investment is well worth serious consideration. Providing multiple bathrooms can transform your listing into one that attracts bookings much more easily.

Let Stay Buddy Inc. Help You Build a Vacation Rental Guests Will Love

If you’re considering amenity planning or renovations for a vacation rental designed to host larger groups, we’d love for you to reach out to Stay Buddy Inc.

Drawing on our extensive experience helping numerous vacation rentals succeed, we offer comprehensive support—from optimal layout planning and cost-effectiveness simulations to designing efficient cleaning operations. If you’re looking to significantly boost satisfaction for families and groups by adding a second bathroom, and improve your occupancy rate and reviews along the way, please feel free to reach out to Stay Buddy Inc. anytime.