BuyCrystal BrookHomes for SaleOpen HousesNew HomesRecently SoldMount SinaiHomes for SaleOpen HousesRecently SoldRentCrystal BrookApartments for RentHouses for RentTownhomes for RentMount SinaiHouses for RentTownhomes for RentPost A Rental ListingMortgageMount SinaiMortgage OverviewGet Pre-QualifiedMortgage RatesRefinance RatesMortgage CalculatorAffordability CalculatorRefinance CalculatorRent vs Buy CalculatorSaved HomesSaved SearchesSign up or Log inEnglishEnglish / ENEspañol / ESMount Sinai, NYCrystal BrookNeighborhood OverviewNo for sale dataNo homes for saleNo rental dataNo homes for rentNo commute dataRatings unavailableSchoolsPreschoolElementaryMiddleHighPort Jefferson Elementary SchoolPK-5Public369 StudentsPort Jefferson Union Free School District5/10GreatSchools RatingParent Rating AverageExcellent experience for both of my kids.Parent Review2y agoOur Lady of Wisdom Regional SchoolPK-8Private74 StudentsNAGreatSchools RatingParent Rating AverageSatisfied! We are extremely happy with it!Parent Review6y agoNorth Shore Christian SchoolPK-6Private101 StudentsNAGreatSchools RatingParent Rating AverageNo reviews available for this school.The GreatSchools Rating compares schools on a variety of school quality indicators including test scores, college readiness, equity and more. Learn more.Homes in Crystal BrookFor Sale (0)For Rent (0)No homes for sale in this neighborhoodSearch Homes in Crystal BrookNearby Neighborhoods in Mount SinaiSkip to last itemPoquott6 homes for saleBuy: $600K - $1.64MSee Local HighlightsTerryville22 homes for saleBuy: $474K - $975KSee Local HighlightsEast Setauket27 homes for saleBuy: $180K - $1.7MSee Local HighlightsStrongs Neck3 homes for saleBuy: $949K - $4.8MSee Local HighlightsH Section1 home for saleBuy: $509K+See Local HighlightsOld Field8 homes for saleBuy: $999K - $3.25MSee Local HighlightsPine Ridge10 homes for saleBuy: $175K - $765KSee Local HighlightsThe Landing5 homes for saleBuy: $870K - $1.2MSee Local HighlightsVillage of the Branch1 home for saleBuy: $1.2M+See Local HighlightsLake Panamoka9 homes for saleBuy: $439K - $700KSee Local HighlightsSkip to first item