Imagine diving into a crystal-clear pool and looking through a window into another room, a garden, or even the city skyline. Underwater pool windows are one of the most stunning features you can add to your pool, combining luxury with functionality. Whether you’re building a private retreat or a statement pool for a commercial space, these transparent panels offer a unique experience that captivates swimmers and spectators alike.
At PoolParty, as the top swimming pool contractor in Singapore, we design pools that are both visually stunning and easy to maintain. If you’ve ever dreamed of an infinity pool with a glass wall or a secret viewing panel, read on to learn why this technology is revolutionizing pool design.
What Are Underwater Pool Windows?
Underwater pool windows are transparent panels made from high-strength acrylic or tempered glass, allowing clear views both inside and outside the pool. They are commonly used in luxury homes, hotels, resorts, and even aquariums. These windows are not just about aesthetics—they also enhance lighting, create visual depth, and add an element of surprise to any pool.
Swimming pool builders incorporate underwater windows into pool walls, floors, or even between different pool levels to create a striking effect. Whether you’re designing a rooftop pool with a glass bottom or a sleek indoor pool with a viewing panel, these windows elevate the swimming experience.
Why Should You Install Underwater Pool Windows?
If you’re considering an upgrade to your pool, underwater windows provide several advantages beyond their beauty:
✓ Aesthetic Appeal
Nothing compares to the dramatic effect of a transparent pool wall. It enhances the visual appeal of your pool, making it look more spacious and sophisticated.
✓ Natural Lighting & Visibility
Underwater windows allow sunlight to pass through, brightening both the pool and adjacent areas. This is especially useful for indoor pools where natural light is limited.
✓ Unique Entertainment Factor
For hotels, resorts, or private homes, underwater windows create a mesmerizing spectacle. Guests and swimmers love the experience of seeing the outside world while submerged.
✓ Increases Property Value
A pool with high-end features like underwater windows attracts buyers and increases the value of your property. Swimming pool contractors in Singapore recommend this feature for those looking to create a luxury space.
How to Maintain Underwater Pool Windows?
While underwater windows are durable, proper maintenance is essential to keep them looking pristine. Here are some essential swimming pool maintenance services to consider:
- Regular Cleaning: Use a non-abrasive cleaner to remove dirt, algae, or water stains from the window surface.
- pH Balance Maintenance: Keeping your pool water chemistry balanced prevents mineral buildup and glass discoloration.
- Professional Inspections: A swimming pool maintenance company can check for cracks, sealant wear, or water leaks to ensure longevity.
- Proper Filtration: Investing in quality swimming pool cleaning services helps maintain clear water, reducing fogging or cloudiness on the window surface.
If you’re wondering about swimming pool maintenance cost in Singapore, it depends on the size of your pool and the cleaning frequency. Contact PoolParty to learn about our customized maintenance plans.
Customization Options for Underwater Windows
Every pool is unique, and so are underwater windows. Here are some exciting ways to customize them:
📌 Glass vs. Acrylic
- Glass Windows: Ultra-clear, scratch-resistant, and elegant but heavier and more expensive.
- Acrylic Windows: Lightweight, impact-resistant, and offers seamless curves but may require more frequent polishing.
📌 Shapes & Sizes
From small porthole-style windows to full-length glass walls, you can choose the size that fits your vision.
📌 LED Lighting Integration
Enhance the effect of your underwater windows by adding LED lighting that changes colors, creating a magical ambiance at night.
Finding the Best Swimming Pool Contractors in Singapore
Installing an underwater pool window is a specialized task that requires experienced professionals. Working with the best swimming pool contractors ensures durability, leak-proof installation, and flawless aesthetics.
At PoolParty, we collaborate with expert swimming pool builders to deliver stunning pool designs with underwater windows. Whether you need a swimming pool contractor in Singapore for a new installation or want to upgrade your current pool, we have the expertise to bring your vision to life.
If you’re searching for a swimming pool maintenance company near me, PoolParty provides top-tier services to keep your luxury pool in perfect condition.
Make Your Dream Pool a Reality!
An underwater pool window is more than just a design feature—it’s a conversation starter, a source of natural beauty, and an enhancement to your swimming experience. Whether you’re building a hotel pool, a private retreat, or a commercial facility, this luxurious feature is worth considering.
Ready to create a breathtaking pool with an underwater window? Contact PoolParty, the trusted experts in swimming pool maintenance in Singapore, to discuss your project today!

Need pool maintenance? Let PoolParty do the hard work while you enjoy the swim!
FAQS
What glass is used underwater?
Underwater windows are typically made from tempered glass or acrylic (plexiglass). While tempered glass is strong and scratch-resistant, acrylic is lighter, more impact-resistant, and offers better optical clarity for larger panels.
What is a pool window?
A pool window is a transparent panel, usually made of acrylic or tempered glass, installed in a swimming pool wall or floor. It allows swimmers to see outside the pool and creates a visually striking design feature.
How long is the swimming pool in Singapore?
Singapore has pools of various lengths, but a standard Olympic-sized swimming pool is 50 meters long. Many public and private pools range from 25 to 50 meters in length.
How deep is a swimming pool?
Swimming pools vary in depth depending on their purpose. Residential pools typically range from 1.2 to 2 meters deep, while competition pools must have a depth of at least 2 meters. Diving pools can be 4 to 5 meters deep.
What are aquarium windows made of?
Most aquarium windows are made of acrylic, as it is lighter, stronger, and more impact-resistant than glass. Acrylic also offers better clarity, especially for thick panels used in large aquariums.
What is ocean glass called?
Ocean glass is often referred to as sea glass. It is naturally weathered glass found on beaches, smoothed by waves, sand, and saltwater over time.
Which glass is waterproof?
All glass is naturally waterproof, but tempered glass and laminated glass are commonly used for underwater applications due to their strength and resistance to pressure.
What is the difference between river glass and sea glass?
Sea glass is shaped by ocean waves and saltwater, giving it a frosted, smooth appearance. River glass is formed in freshwater environments and tends to have a less polished and more jagged look.
What is water glass called?
Water glass is commonly known as sodium silicate, a compound used in waterproofing, adhesives, and industrial applications. It is different from regular glass used in windows and bottles.
What material is good underwater?
Materials like acrylic, tempered glass, stainless steel, and fiberglass are commonly used for underwater structures. Acrylic is preferred for underwater windows due to its durability and clarity.
What type of glass is water glass?
Water glass, or sodium silicate, is a chemical compound used in waterproof coatings and industrial adhesives. It is different from the glass used in pools or aquariums.
Can you really cut glass underwater?
Yes, glass can be cut underwater using specialized tools like diamond-tipped saws or high-pressure water jets. However, cutting glass underwater is challenging due to the water’s resistance and the difficulty of controlling the cut.