An Idyllic Office Space In The Heart and
Center of Seattle's Innovation District

With Space Needle views, floor to ceiling windows and paramount amenities, the offices at Onni South Lake Union will power growth for any business and continue to help drive the city forward as home to some of the world’s most innovative companies.

Experience OSLU

Open, Smart & Creatively
Designed Office Space

Where other buildings are all business, nothing is standard here. We‘ve broken through the boundaries of what people expect from office. We don’t just offer office space – we offer lifestyle space fused with corporate sophistication.

Find Your Workplace

At the Corner of Work and Play

Love where you work. With breathtaking views of South Lake Union and exclusive access to unrivaled indoor and outdoor amenities, OSLU has something for everyone.

Explore Amenities

home

Onni South Lake Union: A Complete Community

2 OFFICE BUILDINGS

17 floors - OSLU West
16 floors - OSLU East
+/- 935,951 RSF Class A Office Space

RETAILERS

29,831 RSF of Premium
Retail Opportunities

2 RESIDENTIAL TOWERS

827 Apartment Units
View Residential

1 MIDRISE HOTEL

LEVEL Furnished Living
272 Hotel Units
View LEVEL

SEATTLE TIMES PARK

Beautifully landscaped
25,000 square foot park

Bike parking, water
features and dog run

Thoroughfare between
Fairview Ave and Boren Ave

Center Point Of It All

South Lake Union is one of Seattle’s most central neighborhoods. Located steps to the seaplane, directly on transit and in close proximity of the freeway, positioning SeaTac International Airport less than 25 minutes away.

In this ever-growing focal location, you are completely connected.

Discover South Lake Union

Gallery

Discover what makes
Onni South Lake Union exceptional.