Homes for Sale in San Juan Island, WA

4 homes for sale · Updated November 9, 2026

Market snapshot for San Juan Island, WA

Median price
$659,000
Average price
$1,824,500
Highest price
$5,630,000
Avg price / sqft
$659/sqft
Avg home size
2,180 sqft
Avg days on market
69
Avg year built
1991
Avg beds / baths
2.3 bd / 2.5 ba

All homes for sale in San Juan Island