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Local site guide covering access, marine life, facilities, and general conditions.
Dive Spot Guide•
Mukilteo T-Dock
Mukilteo T-Dock is a shore dock dive with pilings and a geodome.
Mukilteo T-Dock is a shore-access Puget Sound site near the ferry terminal, known for the geodome, pilings, and local marine life.
About Mukilteo T-Dock
Mukilteo T-Dock is a shore-access Puget Sound dive near the ferry terminal, where boulders and cobbles lead toward pilings, a geodome, and a sandy bottom. The site is known for rockfish, lingcod, sculpins, crabs, shrimp, nudibranchs, octopus, seals, sea lions, and other Northwest marine life. It is a useful training and exploration site, but tides, visibility, and harbor traffic can change the feel of the dive quickly.
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Research Estimate At Mukilteo T-Dock
Conservative baseline from public research. No community dives logged yet.
VisibilityVisibility: 4m
AccessSimple entry
CoralHeavily damaged
Aquatic LifeGreat variety
FacilitiesGood facilities
Crowd / PopularityModerate
CurrentModerate current
SurgeLight surge
Where Is Mukilteo T-Dock?
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Community sourced coordinates.
Mukilteo T-Dock Planning Details
Depth range, seasonality, and planning context.
Reported Depth
5m - 18m
Depth Note
The site begins with boulders and cobbles before the geodome and other structure appear in the mid-depths.
Best Season
Year-round, but calm weather and slack tides make the site much easier to enjoy.
Typical Conditions
Shore dock dive with pilings, a geodome, rocky structure, a sandy bottom, and highly variable visibility.
Safety & Access At Mukilteo T-Dock
Hazards, restrictions, and access requirements.
Key Hazards
Boat trafficLow visibilityStrong current
Safety Notes
Plan around tide windows, keep an eye on ferry-area traffic, and expect visibility to change quickly.
Access Restrictions
Shore access is next to the ferry terminal, so parking, tide timing, and terminal traffic all matter.
Legal Notes
Follow local access rules near the ferry terminal and keep clear of ferry operations.
Local Intel For Mukilteo T-Dock
Community notes to help plan your visit.
Scuba Diving
Max depth is about 125 ft (38 m) with a geodome structure around 50 ft (15 m).
Freediving
The shallow approach can work for freediving on calm days, but tide and visibility windows are important.
Snorkeling
The site is listed for snorkel use, though it is generally more rewarding as a scuba shore dive.
Recent Logged Visits At Mukilteo T-Dock
Community dive logs and visit reports for this site.
Dive Spot Log Averages At Mukilteo T-Dock
Average conditions based on logged dives & visits.
Conditions
Avg. Visibility4m
Activity
No dive activity logged yet.
