Hidden Harbor Marina Inc | Top Marina in Walnut Grove, CA Skip to content

Hidden Harbor Marina Inc

3100 E Ryer Rd, Walnut Grove, CA 95690
Services
Dockage & Pump-out
Pricing
Contact for Rates

About

In Walnut Grove, California, Hidden Harbor Marina is a private marina in the Sacramento River Delta at the confluence of Cache and Steamboat Sloughs. Its two off-stream harbors serve primarily sailboats while also accommodating qualifying powerboats, trawlers, and tugs. For boaters seeking a marina near Walnut Grove, the property provides permanent boat slips rather than guest or transient berthing. East Harbor has a six-foot depth at a 0.0 low tide, while West Harbor ranges from five to seven feet.

The berther-only setting combines card-lock entry with resident owner-harbormasters, dockside water and electricity, Wi-Fi, restrooms, laundry, ice, and a self-serve waste pump-out. There is no covered dockage, and the marina suits owners seeking a quiet natural Delta base. Sail from the harbor entrances toward Cache Slough anchorages or downriver destinations. Contact Hidden Harbor Marina to discuss berthing requirements.

Features

  • Sailboat and powerboat berthing
  • Secure gated access
  • Delta sailing access
  • Secluded anchorage access

Amenities

  • Slips & Dockage
  • Wi-Fi & Internet
  • Restrooms & Showers
  • Laundry
  • Cooler & Ice
  • Pump-Out & Waste
  • Utility Hookups
  • Security
  • Waterfront & Access
  • Nature & Views

Why book with us

  • Berth in two off-stream harbors
  • Access fresh well water at the docks
  • Keep winter debris outside with boom gates
  • Sail toward secluded Cache Slough anchorages
  • Enjoy a quiet berther-only setting

Frequently Asked Questions

How old do you have to be to rent a boat in California?

In California you must be 16 or older and hold a California Boater Card to operate a vessel powered by a motor of 15 horsepower or more, including a personal watercraft. Someone aged 12 to 15 may operate that same class only while supervised on board by a person at least 18 who is also in possession of a California Boater Card. The supervising adult needs the card, not just the years. State Parks' Division of Boating and Waterways administers it. The rental company sets its own minimum rental age, often higher, so confirm it when booking.

Source: California State Parks, Division of Boating and Waterways, dbw.parks.ca.gov and californiaboatercard.com (parks.ca.gov)

Do you need a boating license in California?

California requires a Boater Card, rather than a conventional boating license, for most recreational operators of motorized vessels. Since January 1, 2025, the requirement applies regardless of age and includes personal watercraft. Operators generally must be at least 16 for vessels over 15 horsepower; ages 12 to 15 may operate only if supervised on board by an attentive adult 18 or older, and must either hold a card themselves or be supervised by a cardholder.

Rental vessel operators are exempt. Exemptions also cover direct supervision and qualifying temporary visitors. Approved applicants may print a 90-day temporary card while awaiting the permanent card. California State Parks’ Division of Boating and Waterways administers the program.

Source: California State Parks Division of Boating and Waterways (parks.ca.gov)

What are the best places to go boating in California?

California’s best boating choices span sheltered coastal bays, long rivers, large reservoirs, and clusters of alpine lakes. On the North Coast, Humboldt Bay provides protected bay boating, while the Klamath River offers a route from the Pacific into redwood country. Near Redding, Shasta Lake is the state’s largest reservoir and a center for houseboating. In the Sierra Nevada, Lake Tahoe offers a major alpine setting, while the Eastern Sierra’s June Lake Loop groups June Lake with three neighboring glacial lakes used for boating during warmer months.

Source: Visit California (visitcalifornia.com)

What are the most popular boating destinations in California?

California’s most popular boating destinations include San Francisco Bay for cruises past the Golden Gate Bridge and Alcatraz; Lake Tahoe, including South Lake Tahoe, for alpine scenery and marina rentals; Shasta Lake for houseboating, bass fishing, coves, and extensive shoreline; and the California Delta near Stockton for water skiing and houseboating along winding inland waterways. Together, they offer a varied mix of coastal sightseeing, mountain lake boating, and sheltered river routes.

Source: Visit California (visitcalifornia.com)

Location

3100 E Ryer Rd, Walnut Grove, CA 95690

Disclaimer

This listing was created using artificial intelligence and publicly available data. The information presented may be inaccurate, outdated, incomplete, or incorrect. Slipstream does not verify, endorse, or guarantee the accuracy of any listing content, including but not limited to contact information, pricing, services offered, hours of operation, or business status.

All content is provided “as is” and without warranties of any kind, express or implied. Slipstream expressly disclaims all liability for any loss, damage, or reliance arising from the use of this information. Users are solely responsible for independently verifying all details directly with the business.

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