Satellite view of Alviso Marina Couty Park

Satellite: Esri, Maxar, Earthstar Geographics

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Alviso Marina Couty Park

California • Status Unknown

Current Boating Conditions

Conditions unavailable
Next High Tide
6:10 PM
8.4 ft
Full 10-day forecast, tides & water temp for Alviso Marina Couty Park

About This Ramp

Alviso Marina Couty Park is a boat ramp located in , Santa Clara County, California. This ramp provides access to San Francisco Bay-South Bay, a public water body.

This public access ramp is managed by local authorities and is open for business.

Parking & Facilities

Trailer Parking: Trailer parking may be limited; call ahead for details

Vehicle Parking: General vehicle parking available

Arriving early is recommended, especially on weekends and holidays, to secure a parking spot near the launch area.

Ramp Specifications

Water Type: Public

Water Body: San Francisco Bay-South Bay

Visitor Information & Tips

  • Hours: 24 hours daily (contact for seasonal changes)
  • Fees: Free access
  • Status: Open for business
  • Best times to launch are early morning or weekdays when crowds are lighter
  • Always check local fishing and boating regulations before heading out
  • Bring safety equipment including life jackets and first aid kits

Location & Getting There

Use the interactive map above to get directions to Alviso Marina Couty Park. Most smartphones have built-in GPS navigation that will guide you directly to the ramp's location.

Why Choose Alviso Marina Couty Park?

Alviso Marina Couty Park is one of the premier boat launch facilities in Santa Clara County, offering convenient access to California's waters. Whether you're an experienced angler, recreational boater, or first-time launcher, this ramp provides the amenities and facilities you need for a successful day on the water.

Located on San Francisco Bay-South Bay, this ramp is perfect for freshwater fishing, enjoying calm waters, and targeting species that thrive in freshwater environments.The well-maintained launch facility ensures smooth boating experiences for vessels of all sizes.

Water Quality & Safety

Official EPA assessment for Guadalupe River — last reported 2024.

Fish Consumption Advisory

This water body is currently rated Not Supporting for fish consumption, with Bifenthrin, Chlordane, Mercury, Pyrethroids, Toxicity, Diazinon identified as the causes. Check your state's current fish consumption guidance before eating fish caught here.

Fish Consumption
Not Supporting
Aquatic Life / Ecology
Not Supporting
Water Type: Stream/creek/riverSize: 19.3 Miles
An EPA-approved cleanup plan (TMDL) is in place for this water body.
View official EPA water quality report →

Source: EPA ATTAINS (Clean Water Act water quality assessments), as reported by the state. This reflects the most recent official assessment, not real-time testing — always check your state's current fish consumption advisories for specific serving guidance.

Species You Might Find Here

Common freshwater gamefish for this type of water — not a confirmed species survey for this specific location, since we don't have per-lake fish count data.

Browse all species →

Launch Tips & Best Practices

Before You Launch

  • Check your boat for any maintenance issues before arriving at the ramp
  • Have your registration and fishing license readily available
  • Ensure all safety equipment is on board, including life jackets for all passengers
  • Fill up your fuel tank before heading to the ramp to ensure sufficient range

At the Ramp

  • Remove your trailer from the launch lane promptly to keep traffic moving
  • Have crew members ready to help with the launch and retrieve process
  • Park in designated areas only - don't block other boaters
  • Always back into the ramp slowly and check water depth before launching

Safety on the Water

  • Wear your life jacket at all times while on the boat
  • Check local fishing regulations and bag limits for your target species
  • Tell someone where you're going and when you expect to return
  • Monitor weather conditions and head back to shore if conditions deteriorate

Planning Your Visit to Santa Clara County

Santa Clara County offers diverse boating and fishing opportunities with Alviso Marina Couty Park serving as a premier access point. The county's waters are home to a variety of fish species and provide excellent recreational opportunities year-round.

When planning your visit, consider the current season and target species. Spring and fall often provide ideal conditions for boating in Santa Clara County, with comfortable temperatures and excellent fishing opportunities. Summer months are great for evening trips when the water is calmer after the midday heat.

Alviso Marina Couty Park is conveniently located with easy highway access, ample parking, and modern facilities to support your boating adventure. The ramp's well-maintained launch area accommodates both large and small vessels, making it accessible to everyone from experienced captains to weekend boaters.

Nearby Boat Ramps

Other launch points within driving distance.

At a Glance

Essential info about Alviso Marina Couty Park

Hours
24/7
Fees
Free
Status
Open for Business
Water
Public
Parking
Available
Get DirectionsSan Francisco Bay-South Bay Fishing Regulations

Quick Tips

  • Arrive early for best parking
  • Check weather before heading out
  • Bring safety equipment
  • Call ahead for seasonal hours

Ramp data from USGS and California wildlife/DNR sources. Last synced 2026-07-28.

How we verify this data · California fishing regulations

Fishing tips & boating guides

Expert advice on launching boats, fishing techniques, and making the most of your ramp visits.

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Alviso Marina Couty Park — frequently asked questions

Is there a fee to launch at Alviso Marina Couty Park?

Alviso Marina Couty Park has no launch fee on record — it is generally free to use. Fees can change, so confirm with the managing agency before your trip.

Where is Alviso Marina Couty Park located?

Alviso Marina Couty Park is a boat ramp in Santa Clara County, California, on San Francisco Bay-South Bay.

What are the hours at Alviso Marina Couty Park?

Alviso Marina Couty Park is typically accessible 24/7. Access hours can change seasonally, so verify before heading out.

What kind of fishing is available at Alviso Marina Couty Park?

Alviso Marina Couty Park provides access to freshwater fishing on San Francisco Bay-South Bay in California. Check California fishing regulations and required licenses before you fish.

Is Alviso Marina Couty Park a public boat launch?

Yes. Alviso Marina Couty Park is a public boat ramp — also called a boat launch, boat access, or boat landing — in Santa Clara County, California. It's open to the public and provides access to San Francisco Bay-South Bay.

Can you swim at San Francisco Bay-South Bay?

Alviso Marina Couty Park is a boat launch, not a supervised swimming area. People do swim in San Francisco Bay-South Bay, but there are no lifeguards, and water conditions vary — always check local water-quality advisories and current conditions before swimming, and never swim near an active boat ramp.

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