Homes in Westside, Mercer Island, WA

6 homes for sale · Updated August 12, 2026

• 5222 forest avenue southeast, Mercer Island 98040 $3,698,000 · 5 bd · 5 ba · 3,851 sqft
• 18 holly lane, Mercer Island 98040 $7,999,880 · 6 bd · 5 ba · 5,163 sqft
• 4889 forest avenue southeast, Mercer Island 98040 $3,850,000 · 5 bd · 4 ba · 4,910 sqft
• 4835 forest avenue southeast, Mercer Island 98040 $5,000,000 · 3 bd · 4 ba · 3,670 sqft
• 5610 west mercer way, Mercer Island 98040 $2,150,000 · 4 bd · 4 ba · 2,810 sqft
• 7580 southeast 71st street, Mercer Island 98040 $3,379,000 · 5 bd · 3 ba · 3,610 sqft