Key Takeaways
- Gunite is the most versatile material in terms of design and accommodation of unique features and shapes.
- Fiberglass pools save the most time during installation.
- Vinyl liner pools are the cheapest to install.
- The best option for the homeowner in South Florida depends on their budget and how much maintenance they are willing to do.
Gunite offers the most design flexibility, fiberglass can reduce installation time, and vinyl liner pools typically have the lowest upfront costs. If you’re deciding between a gunite vs fiberglass pool, with vinyl as a third option for your South Florida home, the right choice comes down to budget, design freedom, and how much upkeep you want.
This guide will walk through the differences between the three materials and the questions that should be asked before selecting the best pool type for Florida.
South Florida’s Ground and Weather Conditions
South Florida pool construction comes with site conditions that can affect installation and long-term performance. Sandy or variable soils, heavy rainfall, a high water table, intense sun, and hurricane-season weather are some of the factors to consider before you start dreaming about an in-ground pool. The material of the pool is only one consideration. Proper engineering, drainage, installation and backfilling also are important.
Gunite Pools:
Customizable and Durable Material:
A properly engineered and constructed gunite pool provides a rigid structural shell that can be well suited to South Florida properties. Site preparation, drainage, reinforcement, and construction quality all play an important part in the performance of the pool over time.
Will a gunite pool ever need resurfacing?
Yes. The interior finish doesn’t last indefinitely, and how long it does last comes down to the finish itself, how the pool is maintained, and how well the chemicals are balanced. Resurfacing restores the pool’s interior finish and can improve its appearance and feel. It does not replace or repair the underlying structural shell.
Fiberglass Pools:
Is the Material South Florida-Proof?
Fiberglass pools could be a viable choice for South Florida residents, but the installation process must take the groundwater level, drainage, and backfilling into account. Since the fiberglass shell is lightweight, hydrostatic pressure might be an issue if the groundwater level goes up.
The Hydrostatic Pressure Problem
When the ground becomes highly saturated with rainwater, groundwater levels can rise and create upward hydrostatic pressure. Because fiberglass shells are relatively lightweight, an empty or partially drained shell can be pushed upward if the pool is not properly installed and groundwater is not adequately managed.
Vinyl Liner Pools:
Does Vinyl Struggle in the Heat?
Vinyl liners are often seen as a cost-effective solution for the pool owner, but the liner is a component that will ultimately need to be replaced. The liner is exposed to ultraviolet light, pool chemicals, and the normal wear and tear of use. In addition, sharp objects can puncture the liner resulting in the loss of water and the possible need for replacement.
Beware of Heat Damage and Sharp Debris
The sun in our state is brutal. Continued exposure can cause a vinyl liner to fade, become brittle, and eventually require replacement. In addition, during a tropical storm or hurricane, blown yard trash such as palm fronds and patio furniture could puncture a vinyl liner. Once compromised, you lose your water, and replacing a ripped liner might cost thousands of dollars.
How Do Gunite, Fiberglass and Vinyl Pools Compare?
Let’s take a look at Gunite pool vs Fiberglass pool vs Vinyl pool.
Gunite pools
Concrete sprayed over a rebar frame, then finished with plaster, pebble or tile.
- Best for custom shapes, integrated features and irregular lots
- Cost position highest of the three
- What you renew the interior finish, commonly cited at about every 10 to 15 years
- Watch out for the longest build and a porous surface that needs steady water chemistry
Fiberglass pools
A one-piece, factory-made shell set into the excavation.
- Best for a standard shape, low surface upkeep and a shorter build
- Cost position in the middle
- What you renew the gel coat, which can be repaired but is hard to color match
- Watch out for size and shape limits, crane access, and the quality of the backfill in wet ground
Vinyl liner pools
A flexible liner stretched over a wall frame.
- Best for the lowest upfront budget
- Cost position lowest of the three
- What you renew the liner, commonly cited at roughly seven to ten years, sooner in strong sun
- Watch out for punctures, fewer design options, and liner lift if the pool is drained in wet ground
Here’s a quick side-by-side of the three pool types, covering upfront cost, long-term upkeep, and the main factor that sets each one apart. It’s a simple starting point before we get into how each option performs in South Florida.
| Pool Type | Average Upfront Cost | Long-Term Cost / Maintenance | Key Consideration |
| Vinyl Liner Pool | 40,000–70,000 | Liner replacement every 7–10 years, typically 4,000–6,000 per replacement | Lowest initial price |
| Fiberglass Pool | 55,000–110,000 | Lowest long-term chemical and routine maintenance expenses | Moderate upfront cost |
| Gunite Pool | 90,000–120,000, with fully custom builds and premium features going higher | Higher initial cost, with a 50+ year structural lifespan | Complete custom design; construction typically runs 8–12 weeks once permitting is complete |
If you’re still unsure which one fits your property and budget, our team can walk you through the options during a free consultation, so that you can choose the best pool type in Florida.
So Which One Should You Choose?
Gunite is the best option if you want to make a custom shape, unusual sizes, big pools, or have a lot of additional equipment.
Fiberglass is the right choice if you want to have a standard shape and size and need an installation that will take a relatively short amount of time. It also has a smooth surface that is easy to clean.
Consider Vinyl if you want to save some money on your project and plan to replace it eventually.
Questions to Ask Before Choosing a Pool Type
Before choosing what type of pool you wish to build, ask yourself the following:
- How much do I need to customize the design?
- What shape and depth pool will give the best results for my yard?
- Will a fiberglass shell be available for the type of work and delivery required for my land?
- What kind of pool surface am I looking for?
- What repairs or replacements should be made in the future?
- Which construction techniques will be best for the land?
- Which parts or features do I want to have built?
By having these questions answered, you may find yourself making a more well-informed decision regarding the type of pool that you will build rather than a choice made strictly by looks.
Need help choosing a pool type?
Swimming Pools of Florida designs and builds custom inground pools across Miami-Dade and South Florida. Our pool design process can help you compare size, shape, features, and placement before construction begins. Our new pool construction page explains what to expect from the design stage through construction.
Get in touch with us today.
Frequently Asked Questions
Which type of pool has the longest lifespan?
A properly constructed gunite pool can have a long lifespan, as the structure itself ages, although the interior will need to be resurfaced. Fiberglass shells can also last a long time, while vinyl pools require periodic liner replacement. The lifespan of a pool depends on the quality of its construction, maintenance, materials, and the environment in which it is located.
Is fiberglass cheaper than gunite?
Sometimes the shell costs less, yes. But the shell is only one line on the bill. Excavation, decking and equipment, along with any additional features, all factor into the cost of your project, so remember to consider the entire project when deciding on your budget.
Can I Get a Custom Shape With Fiberglass or Vinyl?
Fiberglass pools are manufactured in preset shapes and sizes, so customization is more limited. Vinyl has slightly more options but not by much, since vinyl pools are built on a wall system that allows some customization, but not as much as you might want. Gunite offers the greatest flexibility for custom shapes, sizes, depths, and integrated features.
Do all pool types need a permit in Miami-Dade?
New in-ground pool construction in Miami-Dade generally requires permitting, regardless of whether the pool is gunite, fiberglass, or vinyl. Permit requirements can also involve site plans, structural details, safety requirements, and other code requirements. Your pool contractor should confirm the requirements that apply to your specific property and project.
