Downtown Mercer Island designed by Roger Newell
3011 78th Avenue Southeast
Mercer Island, WA 98040
- Units Available
- 6 Units Available
- Price
- Starting at $2,200
Last updated February 6 2026 at 5:28 PM
1 of 48
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.
- 16 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
- $1,707 - $4,574 per month
- Commute
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Price and Availability
Island Square apartments start at $1,707/month. There are 16 available apartments priced from $1,707 to $4,574. Prices were last verified by Island Square
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Unit 206
Avail. now
$1,707
$1,667
Unit 403
Avail. Mar 5
$1,974
$1,934
Unit 512
Avail. Mar 28
$1,804
Unit 404
Avail. now
$1,829
$1,789
Unit 301
Avail. Mar 5
$1,869
$1,829
Unit 203
Avail. now
$1,924
$1,884
Unit 405
Avail. now
$1,934
$1,894
Unit 405
Avail. Mar 22
$2,650
$2,746
Unit 308
Avail. Mar 5
$2,758
Unit 410
Avail. Feb 26
$2,792
$3,052
Unit 413
Avail. Mar 10
$2,818
$2,938
Unit 214
Avail. now
$2,749
$2,719
Unit 411
Avail. Mar 11
$3,696
Unit 301
Avail. Apr 9
$3,789
$3,612
Unit 307
Avail. now
$4,134
$4,102
Unit 307
Avail. Jun 4
$4,574
$4,374
There aren't any 3 bedrooms available. Turn on alerts to be notified once there are.
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Location
Amenities
- Putting Green
- Wine Room
- Patio / Balcony
- Granite Counters
- Hardwood Floors
- Dishwasher
Unit Amenities
- Air Conditioning
- Bathtub
- Extra Storage
- Fireplace
- Furnished
- Granite Counters
- Hardwood Floors
- Patio / Balcony
- Stainless Steel
- Dishwasher
- Carpet
- Ceiling Fan
- Garbage Disposal
- Microwave
- Oven
- Range
- Refrigerator
- Walk In Closets
Property Amenities
- Pet Friendly
- Conference Room
- Clubhouse
- Courtyard
- Elevator
- Fire Pit
- 24hr Gym
- BBQ/Grill
- Garage
- Internet Access
- Package Receiving
- Sauna
- Cats Allowed
- Dogs Allowed
- Bike Storage
- Business Center
- Coffee Bar
- Concierge
- Dog Park
- Guest Suite
- Hot Tub
- 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
We are collecting reviews from verified residents who have toured or leased from Island Square. Check back soon.
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.
Furnished apartments often have extra fees beyond the rent listed. Please contact for more information.
Explore the Area
- QFC0.1 mi
- Metropolitan Market0.1 mi
- Performance Kitchen Crafted0.1 mi
- Bill Pace Produce2.0 mi
- Safeway2.4 mi
- Sushi Joa0.1 mi
- Pogacha0.1 mi
- Einstein Bros. Bagels0.1 mi
- Menchie's0.1 mi
- McDonald's0.1 mi
- 78th Ave SE & SE 28th St0.1 mi
- 78th Ave SE & SE 28th St0.1 mi
- 78th Ave SE & SE 28th St0.1 mi
- 78th Ave SE & SE 28th St0.1 mi
- 80th Ave SE & SE 28th St0.1 mi
- 1.0 miNorthwood Elementary School — Public, K-5, 465 students, 1.0 miles away,GreatSchools rating 8 out of 10.
- 1.0 miWest Mercer Elementary School — Public, K-5, 506 students, 1.0 miles away,GreatSchools rating 9 out of 10.
- 1.2 miMercer Island High School — Public, 9-12, 1,521 students, 1.2 miles away,GreatSchools rating 10 out of 10.
- 1.6 miEnatai Elementary School — Public, PK-5, 587 students, 1.6 miles away,GreatSchools rating 7 out of 10.
- 2.1 miBellevue High School — Public, 9-12, 1,563 students, 2.1 miles away,GreatSchools rating 8 out of 10.
- Data provided by GreatSchools. Ratings are based on test scores and additional metrics when available.
- Outdoor Sculpture Gallery0.1 mi
- Mercerdale Park0.4 mi
- Luther Burbank Park0.4 mi
- Lincoln Landing0.5 mi
- Mercerdale Hillside Park0.5 mi
- Z-Ultimate Self Defense Studios0.1 mi
- Technique Pilates & Fitness Studio0.1 mi
- MI Athletic Club0.1 mi
- Mercer Island Martial Arts0.1 mi
- Core Havn0.1 mi
- Mud Bay0.1 mi
- Denise's Parrot Place0.1 mi
- Island Cats Veterinary Hospital0.2 mi
- MercyVet0.2 mi
- All The Best Pet Care0.3 mi
Getting Around
Walk & Transit Scores
Walk Score: 82 — Very Walkable, with shops and services easily within reach.Transit Score: 41 — Limited public transit service in the area.Public Transit Access
The Downtown Mercer Island area benefits from access to public transit options, such as 6 nearby routes: 6 bus, 0 rail, 0 otherNearby public transit stops include:
- 78th Ave SE & SE 28th St (~0.04 mi)
- 80th Ave SE & SE 28th St (~0.07 mi)
- 77th Ave SE & SE 27th St (~0.13 mi)
- N Mercer Way & 80th Ave SE - Bay 2 (~0.16 mi)
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Frequently Asked Questions (FAQs)
Island Square has 16 units available starting at $1,707 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 $2,139 for a studio, $2,277 for a 1-bedroom, $3,148 for a 2-bedroom, and $3,272 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 not currently offering any rent specials.
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.