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SEACOR - Findings, Siletz Bay

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The information we collected during the shellfish and estuarine assessment in 2015 enabled us to map the location, density, and associated habitat features of bay clams in Siletz Bay. The two types of maps presented on this webpage display where we found clams during our survey.

Clamming Maps

The first type of map is the Clamming Maps of Siletz Bay. These maps present the bay clam densities in recreationally important clamming areas. The bay clam species found include softshell and purple varnish clams.

SEACOR Research Result Maps

The second type of map is the SEACOR Research Result Maps which focus on the clam densities in a specific region of the bay.  These maps show SEACOR study results for each part of the bay.

Recreationally important clamming areas sampled during the study

Taft Beach

Taft Beach is accessible near Mo’s Seafood and Siletz Bay Park and is separated from the larger Cutler City Flat by Schooner Creek. This area has a popular sandy beach and at lower tides a sandy mud flat where clams and burrowing shrimp are found.


Cutler City Flat

The Cutler City Flat covers a large area south of Schooner Creek and the Schooner Rocks. This area is exposed at higher tides than Taft Beach and is popular for purple varnish clamming.

Cutler City Flat

Salishan Spit

Salishan Spit is only accessible from the gated Salishan community or by boat. This beach has both sandy and cobble/gravel beaches.

Salishan Spit

Subtidal Channel

The subtidal channels are areas of the bay that remain filled with water even at low tide.  Often these areas are important regions to study when trying to understand clam densities of the whole bay system. No clams were found in the subtidal regions of Siletz Bay, however there were areas that we could not sample due to large cobble and strong currents.


Overall, we found that region and habitat affect the distribution and number of the species we investigated.

Directions to Siletz Bay clamming access points (pdf)

Where to Harvest Bay Clams: Siletz, 11x17 Brochure (pdf) [Coming Soon!]

Contact the SEACOR project via e-mail at:


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