Scenic Baltimore County Waterfront on Seneca Creek

New lift slips available

An established, full-service marina of over 30 years.


Conveniently Located

Near Middle River, Essex, Rosedale, White Marsh, Edgewood

Porter’s Seneca Marina sits inside the mouth of Seneca Creek near Middle River offering direct access to the Chesapeake Bay.

When cruising by boat from our location in Seneca Creek, you can travel as far north as the C&D Canal and the Susquehanna River or as far south as Crisfield, on Maryland’s Eastern Shore, in a day’s cruise.

Full-Featured Boat Slips

We have a high quality range of slips to accommodate boats from 16 to 50 feet in length.

All slips have electric and water services available, as well as finger piers for easy and convenient boarding.

New: Floating Pier with slips up to 45′

Amenities For Your
Perfect Summer

  • Shaded picnic areas
  • Tables and grills
  • In-ground swimming pool
  • Gas
  • Ice
  • Holding tank pumpout station
  • Restrooms
  • Showers
  • Nearby restaurants

Wide Range of
Services Available

  • Repairs, Restoration & Customization
  • PSS shaft seals
  • Fiberglass fabrication
  • Hull polishing and detailing
  • Propeller reconditioning
  • Shrinkwrapping
  • Complete engine repower
  • Bottom painting
  • Winterization