
Authorized Swimline Distributor
When you purchase from AquaDoc, you're guaranteed to receive an authentic Swimline item. Order with confidence, knowing you'll receive top quality pool equipment.
Swimline LI1852BSB25 18'x52" RD HG BOULDER SWIRL BD AG LINER
Swimline LI1852BSB25 18'x52" RD HG BOULDER SWIRL BD AG LINER
A durable, stylish, and easy-to-install beaded liner for 18-foot round above-ground pools.
Couldn't load pickup availability

Upgrade your above-ground pool with the Swimline 18' x 52" Boulder Swirl Beaded Liner, designed for a secure fit and lasting durability. Its high-quality vinyl construction resists UV rays and pool chemicals, ensuring long-term use.
The eye-catching Boulder Swirl pattern adds a stylish touch to your pool, creating a refreshing and inviting look. The beaded design ensures an easy installation, keeping the liner securely in place.
This liner is crafted to withstand wear and tear, reducing the risk of leaks and stretching. Its precision-engineered fit prevents wrinkles and maintains a smooth surface for a clean, polished appearance.
Compatible with most 18-foot round above-ground pools, this liner offers a hassle-free upgrade. Enjoy a vibrant, long-lasting pool interior with superior protection and style.

⭐️⭐️⭐️⭐️⭐️
Customers love the liner’s thick, high-quality vinyl, which ensures durability and longevity. Many appreciate its resistance to fading and wear, even after extended exposure to sun and chemicals.
Users find the beaded installation process simple and convenient, making it easy to achieve a perfect fit. The smooth, wrinkle-free finish adds to the pool’s overall aesthetic and functionality.
The Boulder Swirl design is a customer favorite, enhancing the pool’s appearance with a stylish, modern touch. Reviewers also highlight the liner’s ability to maintain water clarity by preventing leaks and uneven surfaces.
Many customers mention that this liner provides great value for money compared to other options, delivering premium quality at an affordable price.

- Durable Vinyl Construction – Built to withstand sun exposure, pool chemicals, and daily use.
- Beaded Design for Secure Fit – Stays in place with a precise fit, preventing shifting and wrinkles.
- Stylish Boulder Swirl Pattern – Enhances your pool’s look with a sleek, modern design.
- Easy Installation – Designed for quick setup with minimal effort required.
- Fits 18ft Round Above-Ground Pools – Compatible with most standard-sized above-ground pools.

- Brand Swimline
- Each Product Weight 47 pound
- Channel Non-Preferred
- Liner Pattern Boulder
- Liner Type Beaded
- Minimum Sell Quantity 1
- Pool ShapeRound
- UPC Code723815032782

Q: How do I install the beaded liner?
A: Simply attach the liner into the existing bead receiver on your pool’s top rail. Make sure the liner is evenly placed before filling the pool with water to prevent wrinkles.
Q: Will this liner fit my 18ft round pool?
A: Yes, this liner is specifically designed for 18-foot round above-ground pools with a beaded track system. Check your pool’s specifications to ensure compatibility.
Q: How long does this liner last?
A: With proper care, this liner can last several years. Regular maintenance, balanced water chemistry, and proper winterization will help extend its lifespan.



The price you see is the price you pay.
We don’t play pricing games.
That’s why all orders over $75 ship free—no tricks, no hidden costs.
Why choose AquaDoc?
- 🌟 Top-notch products designed by leading pool & spa brands.
- 📦 Proudly ship locally from the USA, ensuring faster delivery.
- 👷♂️ Every purchase supports American income and jobs.
Order With Confidence
Satisfaction guaranteed! We're here to help with any pool or spa related issues. Contact us anytime for assistance.
Free shipping on all orders over $75!
As seen on





Swimline is a favorite for fun and function, offering everything from pool floats and loungers to liners, covers, and maintenance gear. Whether you're upgrading your pool’s look or stocking up on cleaning essentials, Swimline delivers quality and creativity. At AquaDoc, we carry a wide range of Swimline pool products to help you enjoy and maintain your pool all season long.
You may also like
-
Example product title
Regular price $19.99Regular priceUnit price / per -
Example product title
Regular price $19.99Regular priceUnit price / per -
Example product title
Regular price $19.99Regular priceUnit price / per -
Example product title
Regular price $19.99Regular priceUnit price / per