← St. Clair Shores Waterfront
Jefferson Beach Marina (Safe Harbor)
Marina
Dock & dine
Gas on the water
Transient dockage
The basics
- Address
- 24400 Jefferson Ave, St. Clair Shores, MI 48080
- Phone
- (586) 778-7600
- Hours
- Marina office open weekdays 8:30am-5pm; fuel dock runs seasonally.
By boat
- Dock space
- Large full-service marina - roughly 800 slips, vessels to about 125 ft - with a repair yard, high-speed fuel pumps, and the Watermark Bar & Grille on the water. Now part of the Safe Harbor network.
Fuel prices
- Checking for reports…
Boater-reported — call ahead to confirm.
Last verified August 14, 2026