705 Northeast Northlake Way
Seattle, Washington 98105
Hours: Mon – Fri 09:00 – 17:00
Sat – Sun: By Appointment
The Washington Boat Center, established on Lake Union in Seattle, has a rich history of providing boat storage and services to boating enthusiasts — both recreational boaters and those looking to store their vessels in a prime location. Located at 705 Northeast Northlake Way, we offer convenient access to Seattle’s vibrant waterfront activities and scenic views.
The Washington Boat Center features a spacious layout with 50 boat slips, offering a variety of options ranging from 28-foot uncovered slips to 50-foot covered ones, designed to accommodate a wide range of boat sizes and preferences. The majority of the slips are covered, with clearances up to 16 feet, while several larger, uncovered slips are also available for boats requiring more open space…NNN
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Avaliable Slip(s)
Slip 1:
50′ (L) x 13’7 (W)
uncovered2
Slip 2: 50′ (L) x 12’6 (W) x covered 16′ (H)
Slip 3: 50′ (L) x 14′ (W) x covered 16′ (H)
Slip 4: 50′ (L) x 14’10 (W) x covered 16′ (H)
Slip 5: 50′ (L) x 14’5 (W) x covered 16′ (H)
6: 50′ (L) x 13’8 (W) x covered 16′ (H)
Slip 7: 50′ (L) x 14’8 (W) x covered 16′ (H)
Slip 8: 50′ (L) x 13’8 (W) x covered 16′ (H)
Slip 10: 50′ (L) – 14′ (W) – covered 16′ (H)
Slip 11: 50′ (L) x 15′ (W) x covered 16′ (H)
Slip 12: 50′ (L) x 14’6 (W) x covered 16′ (H)
Slip 13: 50′ (L) x 19’2 (W) x covered 16′ (H)
Slip 14: 50′ (L) x 15’+ (W) x uncovered
Slip 15: 50′ (L) x 15’+ (W) x uncovered
Slip 16: 50′ (L) x 15’+ (W) x uncovered
Slip 17: 50′ (L) x 15’+ (W) x uncovered
Slip 18: 40′ (L) x 12’10 (W) x covered 15′ (H)
Slip 19: 40′ (L) x 11’11 (W) x covered 15′ (H)
Slip 20: 40′ (L) x 13’4 (W) x covered 15′ (H)
Slip 21: 40′ (L) x 12′ (W) x covered 15′ (H)
Slip 22: 40′ (L) x 13′ (W) x covered 15′ (H)
Slip 23: 40′ (L) x 12’3 (W) x covered 15′ (H)
40′ length – 13’4 width – covered 15′ height
Slip 26: 40′ (L) x 13′ (W) x covered 15′ (H)
Slip 27: 40′ (L) x 12’3 (W) x covered 15′ (H)
Slip 28: 50′ (L) x N/A (W) x uncovered
Slip 29: 50′ (L) x N/A (W) x uncovered
Slip 30: 33′ (L) x 12’6 (W) x covered 12′ (H) x shallow draft
Slip 31: 33′ (L) x 11’7 (W) x covered 12′ (H)
Slip 32: 33′ (L) x 11’4 (W) x covered 12′ (H)
33′ length – 11’6 width – covered 12′ height
Slip 34: 33′ (L) x 12’2 (W) x covered 12′ (H)
Slip 35: 33′ (L) x 9’8 (W) x covered 12′ (H)
Slip 36: 30′ (L) x angled (W) x covered 12′ (H)
Slip 37: 28′ (L) x 15’+ (W) x uncovered
Slip 38: 28′ (L) x 15’+ (W) x uncovered
Slip 39: 33′ (L) x 15’+ (W) x uncovered
Slip 40: 33′ (L) x 15’+ (W) x uncovered
Slip 41: 33′ (L) x 15’+ (W) x uncovered
Slip 42: 33′ (L) x 15’+ (W) x uncovered
Slip 45: 30′ (L) x 12′ (W) x covered 10′ (H)
Slip 46: 30′ (L) x 11’10 (W) x covered 10′ (H)
Slip 47: 30′ (L) x 12′ (W) x covered 10′ (H)
Slip 48: 30′ (L) x 10’6 (W) x covered 10′ (H)
Slip 49: 30′ (L) x 11’3 (W) x covered 10′ (H)
Slip 50: 30′ (L) x 11’2 (W) x covered 10′ (H) x shallow draft
For more than 50 years, the Washington Boat Center has been serving the Seattle marine community by supporting maritime operations on Seattle’s Lake Union. This long-standing commitment has established us as a central location for boating and maritime business — delivering everything from covered slips to essential maintenance services.
705 Northeast Northlake Way
Seattle, Washington 98105
Hours: Mon – Fri 09:00 – 17:00
Sat – Sun: By Appointment