The Pros and Cons of Different Inground Pool Types

Unlimited Customization and Shape Flexibility

Concrete pools remain a top choice for homeowners seeking complete design freedom. They can be formed into any shape, size, or depth, making them ideal for properties with irregular layouts or for homeowners who envision features such as tanning ledges, infinity edges, or swim-up seating. This flexibility allows concrete pools to complement both modern and traditional backyard aesthetics seamlessly.

Strength and Long-Term Structural Stability

Reinforced concrete provides exceptional durability, especially in high-traffic or commercial-style environments. Concrete pools hold up well under heavy use, frequent temperature fluctuations, and long-term wear. Their robust structure also makes them suitable for deep pools, diving-friendly designs, and large-scale installations where strength cannot be compromised.

Higher Maintenance and Longer Construction Time

Despite their appeal, concrete pools require more upkeep due to their porous surface, which attracts algae and requires frequent brushing, resurfacing every 10–15 years, and consistent chemical monitoring. Construction is also lengthy, often taking several months as curing and finishing processes must be completed in stages.

Pre-Manufactured Shells for Quick Setup

Fiberglass pools are factory-molded shells delivered to the site in one piece, dramatically reducing installation time. Most fiberglass pools can be installed and operational within a few weeks, making them a preferred option for homeowners who want a quick, efficient backyard upgrade without long disruption.

Smooth, Nonporous Surface That Reduces Upkeep

The gel-coat finish on fiberglass pools is smooth, algae-resistant, and easy to maintain. This nonporous surface minimizes the need for heavy chemical use and reduces weekly cleaning requirements. Many homeowners choose fiberglass pools for their ability to remain attractive and functional with minimal maintenance.

Limited Shapes and Transportation Constraints

Because fiberglass pools are premade, customization is limited to the shapes, sizes, and features available from the manufacturer. Transportation restrictions also limit pool width and length, meaning smaller or standard-sized fiberglass pools are more common. While modern manufacturers offer a wide variety of designs, the fully custom look of concrete pools is not achievable with fiberglass.

Affordable Installation with Custom Shaping Options

Vinyl liner pools provide excellent value, especially for homeowners who want a fully inground pool without the higher costs associated with concrete or fiberglass. These pools use customizable metal or polymer wall panels that allow for diverse shapes and layouts, offering more flexibility than fiberglass at a lower price point.

Soft, Comfortable Surface for Swimmers

The liner creates a smooth interior finish that is gentle on the skin, which families with children often appreciate. The non-abrasive surface helps avoid scrapes and discomfort, making vinyl liner pools a practical option for frequent use.

Liner Replacement Requirements and Durability Limits

The trade-off for affordability is long-term upkeep. Vinyl liners typically last 7–10 years depending on care and environmental exposure. Sharp objects, pets, or improper chemical balance can also cause tearing or fading. Over time, replacement costs add up, making vinyl liner pools more expensive to maintain than fiberglass and sometimes even concrete.

Gunite for Superior Flexibility and Application Strength

Gunite—a mixture of dry cement and sand mixed with water at the nozzle—allows installers precise control over the material as it’s applied. This technique enhances the structural integrity and versatility of the pool, making gunite a popular choice for luxury or architecturally unique designs. The ability to build over expansive or uneven terrain also increases gunite’s appeal for difficult landscapes.

Shotcrete for Consistency and Smooth Application

Shotcrete, delivered premixed and applied pneumatically, offers superior consistency and uniformity. Because the mixture is batched beforehand, shotcrete reduces the risk of improper ratios and can produce a smoother finish. This method is often used in large commercial installations or when precision and uniform structural integrity are prioritized.

Construction and Cost Considerations for Both Methods

Both gunite and shotcrete require skilled installers and longer construction timelines, making them more expensive than vinyl or fiberglass. They also require periodic resurfacing and higher maintenance compared to fiberglass. However, their customization capabilities and structural longevity often justify the investment for homeowners seeking high-end, long-lasting pool designs.

Advantages of Saltwater Pool Systems

Saltwater systems have become increasingly popular due to their ability to produce softer, gentler water that reduces skin irritation, prevents strong chlorine smells, and maintains consistent sanitation levels. These systems are compatible with most pool types but may influence long-term durability depending on the materials used.

Material Considerations When Choosing Saltwater

Concrete pools, especially those with plaster finishes, can experience accelerated surface wear when used with saltwater systems due to increased corrosiveness. Fiberglass pools perform well with salt systems because their gel coat resists saltwater corrosion. Vinyl liner pools require attention to metal components, as saltwater can corrode improperly coated fixtures.

Weighing Upfront Costs and Long-Term Savings

Saltwater systems require a higher initial investment but reduce the cost of traditional chlorine purchases over time. They also minimize daily maintenance, making them a strong option for homeowners prioritizing low-effort pool care. However, material compatibility should always be evaluated before installation to avoid premature surface or hardware deterioration.

Energy Efficiency Factors by Pool Type

Fiberglass pools often lead in energy efficiency because their smooth surface improves water circulation, reducing strain on pumps and filtration systems. Concrete pools may require more powerful pumps due to their rougher surface and added features, while vinyl liner pools fall in the middle, offering moderate efficiency depending on size and shape.

Lifespan Comparison and Structural Longevity

Concrete pools have the longest lifespan, often lasting multiple decades with proper resurfacing. Fiberglass pools typically last 25–30 years, with minimal structural maintenance required. Vinyl liner pools depend heavily on liner replacement intervals, though their frames can last for decades when correctly maintained.