Marstrom Seacart 30 (California)

Presented By Matthew @ The Multihull Company

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Asking: $140,000 (USD) Location: Oakland, CA, US (California)
S/V Hammer is a Oakland, CA, US based 2005 Oceanlake Marine AB Seacart 30 Catamaran For Sale By Broker
This catamaran owner requires financial settlement only. No trades.
Responses to inquiries may come from a broker, and this sale may include brokerage fees.

Are you an R2AK Fan? Do you want to pull $10k from a tree in Ketchikan next race? As I write this, the carbon fiber, custom Cochrane-designed, trimaran Dragon (Team Mololo) is tacking past Comox, BC and her nearest competition is a Schock 40 monohull closely trailed by 3 Farrier trimarans all the way back abreast of Lasqueti Island. Dragon is way out front! To be competitive in the R2AK you have to be fast and to be really fast you have to be carbon.

But you don’t have to break the bank to be fast! This Seacart 30 is amazing fast. She is an all carbon fiber Marstrom design with new Smyth downwind sails, Dyneema standing rigging, and new running rigging. She lying in San Francisco and has a trailer. These Seacart 30s have won multiple inshore and offshore races worldwide. A sistership holds the sub-40′ multihull record for Britain’s FastNet race. Seacart 30s are amazingly fast, trailerable (unlike Dragon which had to be shipped from New Zealand as deck cargo on a ship), race-ready, and already on the West Coast of North America. If you want a very fast cruiser/racer that could be very competitive in the R2AK, or you just want a race-ready racing/cruising trimaran with few equals, contact Matthew today!

Amazing Fast Inshore Cruising & Racing Trimaran

  • Excellent condition
  • Race Ready
  • Presently lying San Francisco Bay
Catamaran Name:S/V Hammer
Model:Seacart 30
Year Built:2005
Builder:OceanLake Marine
Designer:Marc Lombard
Loa:30.02 ft / 9.15 m
Lwl:29.53 ft / 9.00 m
Beam:21.88 ft / 6.67 m
Draft:10.50 ft / 3.20 m
Displacement:2,050.00 lb / 930 kg
Mast Height:1.15 ft / 0.35 m
Engines:Tohatsu outboard
Sails:New Smyth screecher and Code Zero

Layout Diagram

Catamaran Inventory


  • Keel: Centerboard


  • Length Overall: 30 ft
  • Beam Measure: 22' 0"


  • Tohatsu outboard


    • Marstrom Carbon Construction
    • Marstrom Carbon Mast & Boom

    Sails and Rigging

    • Multiple bags of sails (Australian Loft)
    • New Smyth screecher and Code Zero
    • Dyneema standing rigging
    • New running rigging, main sheet, etc.


    • Trailer

    Catamaran Photos

    Matthew @ The Multihull Company

    By Matthew @ The Multihull Company

    Matthew brings 30 years experience cruising multihulls on Puget Sound and points north to the TMC brokerage team. Along with his practical knowledge of multihull designs and seamanship, Matthew is a graduate of Dartmouth College with a degree in Geography. He has 14 years of experience with TMC and an intimate knowledge of the Northwest’s unique maritime geography that he describes as, “One of the world’s most beautiful, intricate, and extensive cruising grounds. The joys of which are advantageously and endlessly displayed to the owner of a cruising multihull.”