J-Mack ferry hours and guide
The California Department of Transportation (Caltrans) runs the J-Mack ferry, a free cable ferry across Steamboat Slough between Ryde on Grand Island and Ryer Island in the Sacramento Delta. The J-Mack ferry carries cars and passengers on State Route 220. The crossing is about 400 feet.
Schedule up to date as of November 2, 2026
Contents
J-Mack ferry hours
| Days | Posted hours |
|---|---|
| Daily | Open 24 hours1 |
- Runs on demand 24 hours a day, 7 days a week.
J-Mack ferry fares
| Fare type | Fare |
|---|---|
| Fare | |
| Vehicles and passengers | Free |
- Caltrans charges no fare on the J-Mack ferry.
J-Mack ferry details
| Operator | Caltrans |
|---|---|
| Crossing time | About 3 minutes |
| Distance | About 400 feet |
| Vessel | The J-Mack, a cable-drawn ferry 92 feet long and 32 feet wide |
| Vehicles | Up to 6 vehicles per crossing |
| Reservations | Not taken. Caltrans boat operators are on duty around the clock to take riders across on demand. |
| Service status | Caltrans posts the J-Mack ferry status on QuickMap and on the Delta Ferry Hotline, (510) 622-0120. Caltrans updates the hotline daily or as changes occur. |
| Detour | When the J-Mack ferry is out of service, Caltrans directs drivers bound for Ryer Island to the Real McCoy II ferry or the Miner's Slough Bridge. |
J-Mack ferry landing locations
The J-Mack ferry links the Ryde ferry landing on Grand Island with the Ryer Island ferry landing. State Route 220 runs to both landings.
| Landing | Location |
|---|---|
| Ryde ferry landing | Grand Island Road at State Route 220, near Ryde, Sacramento County |
| Ryer Island ferry landing | East Ryer Road at State Route 220, Solano County |
J-Mack ferry FAQs
Is the J-Mack ferry free?
The J-Mack ferry is free. Caltrans charges no fare on either of its Delta ferries.
Does the J-Mack ferry run on a schedule?
The J-Mack ferry has no timetable. Caltrans boat operators take drivers and passengers across Steamboat Slough on demand.
How long is the J-Mack ferry ride?
The J-Mack ferry crosses about 400 feet of Steamboat Slough in about 3 minutes.
How do drivers reach Ryer Island when the J-Mack ferry is closed?
When the J-Mack ferry is out of service, Caltrans directs drivers bound for Ryer Island to the Real McCoy II ferry or the Miner's Slough Bridge.
More California ferries
- Alameda–San Francisco ferry
- Alameda Seaplane Lagoon ferry
- Alameda Short Hop ferry
- Balboa Island ferry
- Berkeley ferry
- Harbor Bay–San Francisco ferry
- Larkspur ferry
- Oakland–San Francisco ferry
- Princeton ferry
- Richmond–San Francisco ferry
- Sausalito ferry
- South San Francisco ferry
- Tiburon ferry
- Vallejo–San Francisco ferry