10 Best Above Ground Pool Liners 2026 in the United States

The Smartline 24 ft Round Swimming Pool Liner is designed for those with steel-sided above-ground pools looking for a durable and visually appealing liner. The Crystal Tile pattern offers an aesthetic touch with its arrangement of silver and sapphire crystals, which can enhance the look of your pool. This liner is made from heavy-duty 25-gauge virgin vinyl, promising durability against abrasions, chemicals, and fading due to its Lamiclear technology. It's best installed in temperatures between 70-80 degrees to ensure optimal stretching.

One of the attractive features is its unibead style, which provides versatility in installation—usable as either a j-hook or beaded liner, although it's not compatible with Intex or Pop-Up pools. Proper measurement is crucial to ensure a correct fit, as this liner is specifically for pools with a 54-inch wall height. Additionally, laying the liner out in the sun before installation helps prevent wrinkles and creases.

The liner is backed by a 25-year limited warranty, which reflects confidence in its build quality and longevity. Users have rated it positively, highlighting satisfaction with the quality and fit. Double-checking pool measurements meticulously is recommended to avoid any mishaps during installation. This liner is best suited for pool owners who prioritize durability and aesthetics without a hefty price tag, making it a popular choice in the market.

The Smartline 18 ft Round Swimming Pool Liner in Boulder Swirl pattern is made from durable 25-gauge heavy-duty virgin vinyl, designed specifically for steel-sided above-ground pools with 54-inch wall heights. Its material is layered with acrylic and UV-resistant coatings, which helps protect against fading, chemical damage, and wear—important for keeping your pool looking good over time. The unique Boulder Swirl design with blue rock visuals adds an attractive touch to your pool’s bottom and sides. This liner uses a unibead style, making it adaptable for both overlap and beaded pool types, although it is not compatible with Intex or Pop-Up pools. Installation is easier when the liner is warmed in the sun beforehand to reduce creasing and stretching issues.

Measuring your pool accurately before buying is crucial since the liner must fit your pool's exact size and shape. One notable benefit is the 25-year limited warranty, which offers peace of mind regarding material and workmanship defects. On the downside, this liner weighs around 50 pounds, which might require some effort when handling and installing. Also, its design and size options are somewhat limited to this specific pool style and dimension, which may not suit all above-ground pools.

If you have a steel-sided round pool close to 18 feet in diameter and 54 inches tall, this liner provides a good balance of durability, visual appeal, and warranty support at a reasonable price.

The Smartline Waves of Poseidon 24-Foot Round Liner is designed for steel-sided above-ground pools with a 48-to-52-inch wall height. Made from 25-gauge vinyl, this liner is durable without being overly expensive. Its overlap style makes installation straightforward, requiring only coping strips to secure it. The beautiful Waves of Poseidon pattern features interchanging navy and sky blues, which can add a pleasing aesthetic to your pool.

It is essential to measure your pool accurately before purchasing to ensure it fits correctly. The liner needs to be laid out in the sun before installation to prevent creasing and ensure it stretches properly when filling the pool with water. It is not compatible with Intex or pop-up pools, and it must be installed at temperatures between 70-80 degrees for optimal results. The included universal gasket kit is a helpful addition, preventing corrosion and potential leaks.

The liner's weight of 71.2 pounds may be cumbersome for some users.