About Korth's Pirate's Lair Marina
Friendly, Family Run Marina for Three Generations! 169 W Brannan Island Road Isleton CA 95641 “Garden Spot of the Delta” and has been family-owned since 1937. The marina is located on the confluence of the wide San Joaquin and Mokelumne Rivers. Its sheltered location provides protection from current and wind. This beautiful setting consists of 16 acres which has been developed into a park like setting. Korth’s covered berths are available to permanent tenants. There are two additional guest docks maintained for visitors. Korth’s Marina has a fuel dock (gas only), Restaurant, Launch Ramp, and beautiful lawn area with picnic tables and barbecues.
Facilities
Electricity
Petrol
Water
Showers
Sewage
Toilets
Recycling
Food
Bar
Boatbuilder
Laundry
HauloutCOORDINATES
38.09802 N, -121.56819 E
Port Information
Telephone
Berth Sizes
< 10m, 10-20m
Depth at MLW
< 2m
Manoeuvrability
Fair
Channel Marking
Fair
Port of Entry
No
Overseas Visitor Berths
Yes
Catamaran Berths
Yes
Dock Type
Floating
Style Side To
Yes
Style Stern To
Yes
Tidal Flow
Negligible
Active Winter
Yes
Weather Forecast
Thu
5PM - 9PM
26 February 2026
NW 5–7 knots. Gusts up to 16 knots.
Decreasing from 16 to 14°C
Cloudy
Thu
9PM - 5AM
26 February 2026
- Light and variable.
- 11 to 15°C
UV Index: 0 - Low- Cloudy
Fri
5AM - 9AM
27 February 2026
- Light and variable.
- Increasing from 10 to 15°C
- UV Index: 0 - Low
- Cloudy