First, the thing most people get wrong: a saltwater pool is a chlorine pool. The salt cell turns dissolved salt into chlorine continuously as the pump runs, so the water is sanitized the same way, just without you or your pool tech pouring it in. The salt level is about a tenth of seawater, closer to a tear than the ocean.
The practical benefits are real, especially here. Constant, low-level chlorine production means fewer swings, and swings are what Miami's sun and rain cause all summer. Water feels softer and is easier on eyes and swimsuits. And you stop buying and storing jugs of liquid chlorine, which matters when a pool needs dosing weekly year-round.
The trade-offs: the cell costs money up front and needs replacing every few years, salt is hard on some older equipment and on natural stone decks if the water splashes and dries, and the pool still needs pH management, because salt generation pushes pH up. A salt pool is lower effort, not zero effort.
Our take: for most Miami pools that get real use, a salt system pays for itself in convenience and steadier water within a couple of seasons. For a lightly used pool with older equipment, it's harder to justify. Ask us during an estimate and we'll run the numbers on your pool size honestly.