About Safe Harbor Jefferson Beach
With direct access to Beautiful Lake St. Clair, Safe Harbor Jefferson Beach is your gateway to unlimited marine recreation and open-water boating. As a full-service marina with over 50 years of experience, we are one of Michigan's largest and most well-known marinas. Safe Harbor Jefferson Beach offers a total of 800 deepwater wells for both seasonal and transient boaters. Slips range in size from 18 ft. to 85 ft., with the capacity to accommodate vessels up to 135 ft. We also have many choices for winter boat storage along with a full service and maintenance department. Contact us today to join our boating community!
Facilities
Electricity
PetrolDiesel
Water
Wifi
Showers
Sewage
Toilets
Recycling
Food
Medical FacilitiesCOORDINATES
42.46939 N, -82.87603 E
Port Information
Telephone
Berth Sizes
< 10m, 10-20m, 20m+
Depth at MLW
3m+
Manoeuvrability
Good
Channel Marking
Excellent
VHF Channel
68
Overseas Visitor Berths
Yes
Dock Type
Fixed
Style Side To
Yes
Active Winter
Yes
Weather Forecast
Sun
5AM - 9AM
15 March 2026
E 11–16 knots. Gusts up to 25 knots.
−2 to 1°C
E 0.6m at 3s period
UV Index: 0 - Low
Cloudy
Sun
9AM - 1PM
15 March 2026
- SE 12–17 knots. Gusts up to 27 knots.
- Increasing from 0 to 4°C
- E 0.7m at 3s period
- UV Index: 2 - Low
- Cloudy
Sun
1PM - 5PM
15 March 2026
- SE 10 knots increasing to S 15 knots. Gusts up to 30 knots.
- Increasing from 4 to 11°C
- SE 0.6m at 3s period
- UV Index: 2 - Low
- Cloudy