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Beach · Lake Michigan · Michigan

G. Marsten Dame Marina

A public beach on Lake Michigan in Leelanau County, Michigan, 0.18 miles of shore. It is on the federal list of BEACH Act beaches but was not on the state’s sampling schedule in the latest report.

Chart of G. Marsten Dame Marina on Lake Michigan, with neighboring beaches markedNorthport Bay MarinaBay Front ParkNorthport Haserot Beach, Rose StreetSmith Street Beach NorthportNorthport 4th Street BeachNorthport 5th Street BeachG. Marsten Dame Marina

The beach

On the record

Water
Lake Michigan
Location
Leelanau County, Michigan
Length
0.18 miles
Owner
Public
Access
Public Access
Water sampling
Not monitored in 2025
Swim season
105 days, as reported
Monitoring tier
Tier 3 (Tier 1 is highest)
Water quality standard
E. coli, geometric mean: 300 per 100 mL
EPA beach ID
MI001819
Coordinates
45.1286° N, 85.6132° W to 45.1303° N, 85.6117° W

As the state reported it to EPA for the 2025 season. Sampling schedules change year to year. How beach monitoring works →

Down the shore

Nearest Michigan beaches

  1. Northport Bay Marina0.0 mi · sampled · MI
  2. Bay Front Park0.1 mi · MI
  3. Northport Haserot Beach, Rose Street0.2 mi · MI
  4. Smith Street Beach Northport0.2 mi · MI
  5. Northport 4th Street Beach0.2 mi · MI
  6. Northport 5th Street Beach0.3 mi · MI

Straight-line distance.

By boat

Launches nearby

On the horizon

Lighthouses nearby

Ashore

State parks nearby

Source

Facts on this page are from the EPA BEACON profile for beach MI001819, the record Michigan files under the federal BEACH Act, retrieved 2026-10-10. The county is placed from the beach’s own coordinates. A blank field means the record is silent. Parking, fees, lifeguards and dog rules are set by whoever runs the beach; check with them before you go.

Chart shoreline generalized from Natural Earth (public domain). Not for navigation. Something wrong or missing? Write to contact@greatamericanlakes.com.