10 Pool House Ideas with Bathroom: Smart, Stylish & Functional Pool House Designs You'll LoveElena MarloweSep 24, 2025Table of Contents1. The Spa-Inspired Retreat2. The Mini Guest Suite3. The Entertainment Hub4. The Outdoor Kitchen Combo5. The Gym & Shower Space6. The Kids’ Zone7. The Office by the Pool8. The Lounge Pavilion9. The Art Studio Retreat10. The Storage-First DesignFAQFree Room PlannerDesign your dream room online for free with the powerful room designer toolStart for FREEOnce, a client asked me if we could fit a pool house, a bathroom, and a mini wine bar into a 20-square-meter space. At first, I thought they were joking, but then I realized – small spaces push design boundaries in the best way. Over the years, I’ve discovered that a pool house with a bathroom isn't just about convenience – it’s about creating a retreat that feels like an extension of your lifestyle. Here are my 10 favorite pool house ideas with bathrooms, sprinkled with real lessons from my projects.1. The Spa-Inspired RetreatI once designed a pool house with a full steam shower, soft lighting, and limestone tiles. It felt more like a luxury hotel than a backyard addition. The trick? Keep the palette neutral and the textures rich. Just remember, moisture control is essential to avoid mold – not so glamorous but very necessary.save pin2. The Mini Guest SuiteAdding a proper bed, storage, and an ensuite can turn your pool house into a guest favorite. I used a clever space plan to fit in a double bed without cramping the bathroom. The only challenge? Guests might never want to leave.save pin3. The Entertainment HubThis is perfect if you love hosting. Think small bar, comfy lounge seating, and a bathroom so guests don’t drip water through the main house. Just be sure to choose easy-clean flooring like porcelain tile or vinyl plank.save pin4. The Outdoor Kitchen ComboWhy not add a grill, fridge, and prep area alongside the bath? This way, cooking and swimming blend seamlessly. In one project, I designed a pass-through window for serving snacks directly from the kitchen to the pool deck – a huge hit during parties.save pin5. The Gym & Shower SpaceIf you like to work out before jumping in the pool, a small gym with an adjacent shower is ideal. I planned one using a custom floor layout that allowed for both a treadmill and a spacious walk-in shower in under 25 square meters.save pin6. The Kids’ ZoneThink bright colors, storage for inflatables, and a durable bathroom. I’ve installed lower sinks for the little ones – they love the independence, and parents appreciate fewer “wet footprints” through the main house.save pin7. The Office by the PoolSounds indulgent, but hear me out. With a compact desk, built-in storage, and a private bathroom, you can work in peace without the chaos inside the main home. Bonus: lunch breaks by the water.save pin8. The Lounge PavilionOpen-sided design with retractable screens, comfy sofas, and a bathroom tucked discreetly at the back. In one case, I used an open layout approach that made the space feel larger and more breezy.save pin9. The Art Studio RetreatNatural light is key here, so I prioritize skylights and wide windows while keeping the bathroom minimalistic. Clients love rinsing off in an outdoor shower attached to the bathroom after messy painting sessions.save pin10. The Storage-First DesignPool equipment takes up more space than you think. Combining a storage wall, a compact powder room, and clever shelving keeps everything in place while still looking polished. A little planning upfront saves a lot of frustration later.save pinFAQQ: Do I need plumbing permits for a pool house with a bathroom?A: In most regions, yes. It’s worth checking with your local authorities before breaking ground.Q: How big should a pool house bathroom be?A: I’ve done functional ones at just 3 sqm, but aim for at least 4–5 sqm if you want more comfort.Start for FREEPlease check with customer service before testing new feature.Free Room PlannerDesign your dream room online for free with the powerful room designer toolStart for FREE