Last updated October 22 2025 at 9:04 AM
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Island Square
Property highlights
Experience the best of island living at Island Square Apartments, ideally situated for effortless commuting to both Seattle and Bellevue. Immerse yourself in modern luxury with granite countertops, hardwood floors, and fireplaces in your home. Residents rave about the responsive management, 24-hour fitness center, and relaxing garden courtyards. Pet-friendly amenities, including a dog park, cater to your furry companions' needs. With an array of entertainment, dining, and parks within a five-mile radius, Island Square is the perfect choice for active, urban dwellers seeking a serene retreat.
- 13 units available
- Studio • 1 Bed • 2 Beds
- Location
- 2758 78th Avenue Southeast, Mercer Island WA 98040, Downtown Mercer Island
- Amenities
- Putting green, Wine room, Patio / balcony, Granite counters, Hardwood floors, Dishwasher + more
- Price range
- $1,853 - $3,399 per month
- Commute
Rent Special
Save $500 off when you Look and Lease Today, with a move-in by 10/23! . Move in by 10/23/2025. *Select apartments
Restrictions may apply
Rent Special
Save 4 weeks off rent! Applies to first full month's rent only. Save 4 weeks off your rent on 12-Month leases or prorated savings on shorter terms available!.
Restrictions may apply
Price and Availability
Verified by Island Square 20 HRS ago. Prices may vary depending on lease length. We get our prices directly from Island Square.
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Unit 203
Avail. now
$1,853
$1,873
Unit 212
Avail. now
$1,908
$1,928
Unit 409
Avail. now
$1,978
$1,998
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Location
Amenities
Putting green
Wine room
Patio / balcony
Granite counters
Hardwood floors
Dishwasher
Unit Amenities
extra storage
fireplace
furnished
granite counters
hardwood floors
stainless steel
air conditioning
dishwasher
patio / balcony
bathtub
carpet
ceiling fan
garbage disposal
microwave
oven
range
refrigerator
walk in closets
Property Amenities
clubhouse
courtyard
elevator
24hr gym
garage
package receiving
sauna
cats allowed
dogs allowed
pet friendly
bbq/grill
bike storage
business center
coffee bar
concierge
conference room
dog park
fire pit
guest suite
hot tub
internet access
internet cafe
key fob access
lobby
pool table
putting green
wine room
Island Square Apartment Homes features spacious studio, one-bedroom, and two-bedroom apartment homes for rent on Puget Sound's coveted Mercer Island. Conveniently located just outside of downtown Seattle and Bellevue, Island Square Apartments is minutes away from Safeco Field, Qwest Stadium, and Sea-Tac International Airport. Apartments at Island Square feature granite and marble countertops, hardwood-style flooring, fireplaces, soaker tubs, and stainless steel appliances. After a long day, come home and work out the day's stress in our state-of-the-art fitness center. Afterward, take a peaceful stroll through our garden courtyards. Fancy a night out? Enjoy boutique shopping and fine dining at Seattle's famous Bellevue Square, Pacific Place, and Westlake Center. Come home to Island Square Apartments today.
Verified reviews
Property Details (Fees & Lease)
For additional availability, application, and accessibility information, please see the property website
Pets allowed
Cats, dogs
limit
2
fee
$500 per pet (one-time, non-refundable)
restrictions
Acceptable animals include domestic cats and dogs. Dogs that are purebreds or mixes of the following breeds are prohibited: Akita, Alaskan Malamute, Chow-Chow, Doberman, German Shepherd, Great Dane, Pit Bull (American Staffordshire Terrier, American Pit Bull Terrier, Staffordshire Bull Terrier), Rottweiler, Saint Bernard, Shar Pei, and Siberian Husky. All other animals including exotic pets are prohibited. All animals must be authorized by management. Please see leasing center for details.
rent
$75/month per dog
rent
$75/month per cat
Furnished apartments often have extra fees beyond the rent listed. Please contact for more information.
Explore the Area
QFC
0.1 mi
Metropolitan Market
0.1 mi
Performance Kitchen Crafted
0.1 mi
Bill Pace Produce
2.0 mi
Safeway
2.4 mi
Sushi Joa
0.1 mi
Pogacha
0.1 mi
Einstein Bros. Bagels
0.1 mi
Menchie's
0.1 mi
McDonald's
0.1 mi
78th Ave SE & SE 28th St
0.1 mi
78th Ave SE & SE 28th St
0.1 mi
78th Ave SE & SE 28th St
0.1 mi
78th Ave SE & SE 28th St
0.1 mi
80th Ave SE & SE 28th St
0.1 mi
Harborview Medical Center Heliport
4.4 mi
Boeing Field
5.0 mi
Seaplane Scenics at Carillon Point Seaplane Base
5.2 mi
Seattle Seaplane Base
5.4 mi
Kenmore Air Seaplane Terminal
5.7 mi
8 /10
Northwood Elementary School
PublicK-5
465 Students
1.0 mi
9 /10
West Mercer Elementary School
PublicK-5
506 Students
1.0 mi
10 /10
Mercer Island High School
Public9-12
1,521 Students
1.2 mi
7 /10
Enatai Elementary School
PublicPK-5
587 Students
1.6 mi
8 /10
Bellevue High School
Public9-12
1,563 Students
2.1 mi
Data provided by GreatSchools. Ratings are based on test scores and additional metrics when available.
Outdoor Sculpture Gallery
0.1 mi
Mercerdale Park
0.4 mi
Luther Burbank Park
0.4 mi
Lincoln Landing
0.5 mi
Mercerdale Hillside Park
0.5 mi
Z-Ultimate Self Defense Studios
0.1 mi
Technique Pilates & Fitness Studio
0.1 mi
MI Athletic Club
0.1 mi
Mercer Island Martial Arts
0.1 mi
Core Havn
0.1 mi
Mud Bay
0.1 mi
Denise's Parrot Place
0.1 mi
Island Cats Veterinary Hospital
0.2 mi
MercyVet
0.2 mi
All The Best Pet Care
0.3 mi
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Frequently Asked Questions (FAQs)
Island Square has 13 units available starting at $1,853 per month. Check out the Price and Availability section for the most up-to-date unit information.
In Mercer Island, WA, the average rent is $2,187 for a studio, $2,327 for a 1-bedroom, $3,010 for a 2-bedroom, and $3,366 for a 3-bedroom.
Some of Island Square's amenities include putting green, wine room, and patio / balcony. To see the other amenities this property offers, check out the Amenities section.
Island Square is offering the following rent specials: Save $500 off when you Look and Lease Today, with a move-in by 10/23! . Move in by 10/23/2025. *Select apartments, and Save 4 weeks off rent! Applies to first full month's rent only. Save 4 weeks off your rent on 12-Month leases or prorated savings on shorter terms available!.
Yes, Island Square is pet-friendly.
Yes, Island Square offers parking.
No, Island Square does not offer units with in unit laundry.
No, Island Square does not have a pool.
No, Island Square does not have accessible units.
Yes, Island Square has units with dishwashers.