I went clam digging during a low tide in Tomales Bay early Saturday morning. Got a bunch of small clams, some mussels, and a few rock oysters, but in exploring the mud flats for horseneck clams, I found myself sinking in the mud. Down to about knee-level; when I would pull one foot out, the other would sink just as deep. Made me think of quicksand, and I got a bit worried. No one was around, the tide was about to start coming in, and here I was mired in muck. Finally, when pulling my right foot out, my boot came off, so here I was one boot on, one boot off, mud up to both knees. I finally hobbled and slurped my way to solid ground, but not without some worrying and chastising self for yet another dumb move. Got cleaned up back at truck, had some clam chowder for breakfast, and headed home.

Left: boat with strange hull in the Marshall boat yard.
About Lloyd Kahn
Lloyd Kahn started building his own home in the early '60s and went on to publish books showing homeowners how they could build their own homes with their own hands. He got his start in publishing by working as the shelter editor of the
Whole Earth Catalog with Stewart Brand in the late '60s. He has since authored six highly-graphic books on homemade building, all of which are interrelated. The books, "The Shelter Library Of Building Books," include
Shelter,
Shelter II (1978),
Home Work (2004),
Builders of the Pacific Coast (2008),
Tiny Homes (2012), and
Tiny Homes on the Move (2014). Lloyd operates from Northern California studio built of recycled lumber, set in the midst of a vegetable garden, and hooked into the world via five Mac computers. You can check out videos (one with over 450,000 views) on Lloyd by doing a search on YouTube:
That"s a bulbous bow. Helps with fuel economy and stability. I guessing that this is a fishing vessel that needs to motor offshore at speed.
http://en.wikipedia.org/wiki/Bulbous_bow
Looks like a crew boat to me.
Sounds like you need some splatchers.
It could be a Pilot boat.