People usually arrive at this question having already fallen for a photograph, and the photograph is nearly always natural stone. Then they get two quotes, and the paver number is thirty per cent lower, and the question becomes real.
Both are good products. They fail differently, they age differently, and they suit different houses, so here is how we talk it through when somebody asks us in the driveway.
What you are actually choosing between
A concrete paver is manufactured, so every unit is the same thickness and the same shape, which means it goes down faster and the joints are tight and predictable. Natural stone is quarried and split, so thickness varies, colour varies within a single pallet, and somebody has to sort and cut as they go.
That difference explains almost everything else. The labour on a flagstone patio is roughly double, and that is where the price gap lives. It is not the material.
How each one ages here
Pavers hold their shape well and lose their colour. The pigment is in the top layer, and after eight or ten years of Florida sun the surface has gone chalky and paler than the day it went down. You can seal them, and then you are sealing them every two or three years forever.
Natural stone does the opposite. It keeps its colour because the colour goes all the way through, and it loses its edges, which most people find they like. Shell stone in particular gets softer looking and slightly rounded, and after fifteen years it looks as though it belongs to the house rather than having been delivered to it.
The failure modes differ too. When a paver patio moves, it moves as a field, and individual units tilt in a way that reads clearly as damage. When flagstone moves, it tends to open a joint, which is easier to live with and easier to fix in an afternoon.
Heat, which matters more here than anywhere
Walk on a dark charcoal paver patio in July with bare feet and you will make a decision about material very quickly. Shell stone and light travertine stay meaningfully cooler, and around a pool that is not a preference, it is the whole thing.
If somebody is quoting you a dark paver for a pool deck in Duval County, ask them whether they have walked on one in August.
Where pavers genuinely win
A driveway. Vehicle loads want the interlock that uniform units give you, and the cost difference over a large area is significant enough to matter.
A tight budget with a large area. Two thousand square feet of flagstone is a lot of money, and a well built paver patio beats a small stone one if the space is what you actually need.
A modern house with clean lines. Some architecture wants the regularity, and forcing irregular stone against it looks fussy.
What we would do in your garden
For a patio or a pool deck at a Florida house of any age, stone, and usually shell stone or a light travertine. For a driveway, pavers. For a front walkway, stone, because it is the first thing anybody touches and the extra thousand dollars is spent where it is seen.
And whichever you pick, spend the money on the base first. A paver patio on six inches of properly compacted base will outlast a flagstone patio laid on four, every time, and no photograph will save you from that.