There are 1 new homes for sale on MLS in 29455 zip code Kiawah Island SC. Newly built houses have an average sales price of $3,499,999 in %subdivision% Kiawah Island SC, ranging in price from $3,499,999 to $3,499,999. The average sq ft spec home & new construction contract build is approximately 1,963 square feet for a just built house in 29455 zip code Kiawah Island SC. The largest property for sale is 1,963 sqft and the smallest 1,963 sqft. View property listings for sale by price, street, subdivision, age, property type, location, features, size, listing date, and time on MLS in 29455 zip is an average of one hundred forty-five days on the market.