South Carolina · Plunge & Small Pool Builders · Updated 2026
A real pool in a small yard: 10 plunge pool builders serving Mount Pleasant, ranked by rating and review count, with what a plunge or cocktail pool costs installed in Mount Pleasant this year.
Ordered by customer rating and review count across the Mount Pleasant area. Listings include the available rating, contact details and location; confirm current credentials and scope directly.
Companies in the second group install fiberglass pools; most manufacturers offer plunge and cocktail shells — ask which small models they carry and whether they build custom gunite plunges too.
Planning a new pool as well? The Mount Pleasant pool builders directory ranks all 27 builders in the area.
Installed in Mount Pleasant, a fiberglass plunge pool typically runs $33,500–$57,000 and a custom gunite plunge or spool $47,500–$85,500 — the small footprint saves on excavation and finish, but the equipment pad costs about the same as a full-size pool:
| Job | Typical Mount Pleasant price |
|---|---|
| Precast concrete plunge pool, installed | $28,500–$52,500 |
| Fiberglass plunge pool, installed | $33,500–$57,000 |
| Custom gunite plunge pool | $47,500–$85,500 |
| Spool (spa + pool) with jets and heater | $57,000–$104,500 |
| Heater (year-round use) | $2,900–$7,600 |
| Chiller (cold plunge) | $3,800–$8,600 |
| Swim jets or resistance current | $5,000–$11,500 |
| Decking and coping | $4,000–$11,500 |
| Permits and inspections | $500–$2,900 |
South Carolina pricing is close to the national baseline used for these estimates. A plunge pool is not half the price of a full pool — the pump, filter, heater, electrical and permits are the same — but it fits where nothing else will and costs far less to heat and maintain.
A heater on a 4,000-gallon pool costs little to run — it is the difference between a plunge pool used eight months a year and one used eight weeks.
Mount Pleasant market
4.7 average customer rating · 1915 reviews · 10 companies · 4 specialists
See All on the Map →10 plunge pool builders serving Mount Pleasant. 4 are listed as specialists for this work; the rest are fiberglass pool installers that routinely handle it. The ranked companies average 4.7 stars across 1,915 customer reviews. PoolPad orders the list with a weighted score that combines customer rating and review count, so a long track record counts for more than a handful of scores.
Charleston and the islands lean elegant — gunite with travertine, spillover spas, and screened outdoor living; Myrtle Beach and the Upstate carry strong vinyl and fiberglass value builds. Saltwater systems are hugely popular statewide. Smaller lots and higher construction costs have made plunge pools, cocktail pools and spools the fastest-growing pool type — a heated 8×16 pool costs a fraction to run and fits a courtyard.
For statewide rankings, city counts and South Carolina prices, see the South Carolina plunge pool builders directory, or check the nearby cities below.
Measure the access route first — a crane over the house changes the budget. Decide on heat, jets and a bench up front, since they drive the equipment. Then compare a fiberglass model against a custom gunite price for the same footprint. South Carolina licenses residential builders and specialty contractors at the state level — verify the license and insurance before signing. Pools permit through county or municipal offices with barrier/fence rules from the residential code, and beach-community HOAs and flood zones add review steps your builder should sequence early.
Installed in Mount Pleasant, SC, a fiberglass plunge pool typically runs $33,500–$57,000, a precast concrete plunge $28,500–$52,500 and a custom gunite plunge $47,500–$85,500. A spool with jets and a heater runs $57,000–$104,500. Decking adds $4,000–$11,500 and a heater $2,900–$7,600. South Carolina pricing is close to the national baseline used for these estimates.
Most are 7 to 10 feet wide, 12 to 20 feet long and 4 to 6 feet deep with a flat floor — about 2,000 to 6,000 gallons versus 15,000 to 25,000 for a typical family pool. Cocktail pools add benches and a tanning shelf; spools are often 8×14 to 10×20 with spa jets.
You can cool off, float, soak and exercise in place; laps need a swim-jet or resistance-current system, which many plunge and spool builders install. For actual lap swimming a narrow lap pool of 30 feet or more is the better fit.
Much cheaper: a third or less of the water means a smaller pump, far less chemical use and a heater that brings the pool to temperature in an hour or two. Many owners here keep a plunge pool heated through the shoulder seasons and close it only in deep winter.
The outdoor season in Mount Pleasant runs late April through early October — about 6 months unheated, with a heater adding several weeks on each end. Winters are mild enough that many owners idle equipment with a partial close instead of a full winterization. The Lowcountry swims from late April into October with subtropical humidity that raises sanitizer demand. The Upstate runs a little shorter and has colder winter nights. Coastal owners also need a hurricane-season equipment and water-care plan.
Coastal Pools & Patio has the highest customer rating on this Mount Pleasant list at 5 stars across 16 reviews. Blue Haven Pools & Spas has the largest review count (909 reviews at 4.9 stars). PoolPad orders the list with a weighted score that combines customer rating and review count, so a long track record counts for more than a handful of scores.
In most cities yes — any pool more than 18 to 24 inches deep needs a permit, electrical inspection and a barrier, regardless of footprint. Setbacks from property lines and the house decide where a small pool can go. South Carolina licenses residential builders and specialty contractors at the state level — verify the license and insurance before signing. Pools permit through county or municipal offices with barrier/fence rules from the residential code, and beach-community HOAs and flood zones add review steps your builder should sequence early.
A fiberglass or precast plunge pool is often swimmable one to three weeks after excavation; a custom gunite plunge takes six to ten weeks because the shell has to cure before the finish. Permits add time up front, and the deck follows the pool.
Check plunge pool builders in cities near Mount Pleasant, or open the South Carolina directory for every listed market in the state.
Claim your free PoolPad listing, check plunge and small pools among the pool types you build, and show Mount Pleasant homeowners with a small yard what fits.
