McCuddy’s Big Oak Marina is located approximately 6 miles west of the Sauvie Island Bridge off Highway 30 at mile marker 17. This unique marina is situated in the Multnomah Channel in a lovely country setting, and home to natural wildlife. The marina features 25 houseboat and boathouse slips, plus open slips for recreational power or sail boats.
Floating home and boathouse space is available!!
Amenities at the marina include:
On-Site Harbormaster
Dock-side Restrooms and Showers
Complimentary Ice Machine
Marina Ramp, Easy Access For the Elderly and Disabled, No Steep Climbs
Boat Ramp
Abundant Parking
Upland Trailer and Boat Storage
Garbage and Recycling Services
Picnic Area
Marine Repair Service at Channel Marine
Onsite services:
McCuddy's Big Oak Marina
25000 NW St. Helen’s Road, Portland, Oregon 97231
Harbormaster Sharon Camarda - phone 503-543-3836
Harbormaster Email


