Sailing Texas home page 1/31/19,

San Juan 21 MKII, 1977, Rochester, Minnesota, $3,250, Price reduced 5/12/19 to $3,050, SOLD 5/25/19

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San Juan 21 MKII, 1977

  • (Manufactured by Clark Boat Co., USA)

    The SAN JUAN MARK II was introduced in 1974 after nearly 1000 of the earlier versions had been built. The MARK II, is a raised deck version of the MARK I with the companionway moved aft to allow for more interior space. The Mark I and Mark II were produced concurrently, until the last Mark I was produced in 1977. 2600 San Juan’s were built. This is hull #1709.

  • Hull/Rigging Type: (7/8) Fractional Sloop with Swing Keel that is fun to sail, cruise, and race.
  • LOA: 20.5ft
  • LWL: 17.0ft
  • Beam: 7ft
  • Draft: 1ft with the swing Keel up and 4ft with the swing Keel down.
  • Displacement: 1,250# with 400# Ballast in the swing Keel that is easy to raise and lower.
  • Mast: 25ft and can be stepped by one person. There is 6-hole mast step plate also.

  • Sails: Main with reef points, working Jib, and 135% Genoa with window. Sails well under Main alone or Jib alone. There are bags for each jib. The boom is a roller type for the Main and has a nice custom blue canvas cover. All running (and standing) rigging are in excellent shape. Includes a Boom Vang and Cunningham.

    See for other boat data and specifications. .

  • Steering: The kick up Rudder and has both the original tiller (with a Forespar extension) and a custom shortened tiller. Tiller has a Davis Tiller Tamer.

  • Interior: The boat will sleep 4 with a nice V-berth and two tuck under berths. The main hatch and fore hatch have removable screens. All cushions inside are in excellent shape, as is the general state of the interior. The sink is included but has been removed for more storage. There is a designated space for a porta-pottie.
  • Electrical: Comes with a VHF Radio, lighted Compass, Depth Gauge, all running lights, two interior lights, and 12V Deep Cycle Battery. All working and in good shape.
  • Motor: 2000 5HP Nissan outboard that is well maintained. Low hours. Swing down mount, Includes portable gas tank and a new fuel line purchased last summer. Serviced professionally.

    Other items: 4 Winches, Winch Handle, Swim Ladder, Anchor with chain and 30’ of rode, Boat Hook, Spare Window, Hatch Storage Tarp, Fire Extinguisher, Working Jib and Genoa Tracks with pulleys, Davis Windex mast top wind indicator, Docking Fenders with lines, and 4 throw cushions.

    Trailer: Calkins trailer (designed for this boat) with fairly new tires, a new spare, and in great shape. All the lights and wiring have been redone and work fine. 2” ball coupler. Recently added roller guides. Keel rest.

    Notes: This boat is fast and nimble. It’s quite easy to learn to sail her. She has only seen lake and rivers and has been stored inside on her trailer during the winter The boat is great for trailer sailing and launches very well in skinny water. With the swing up keel and kick up rudder it is easy to get close to or onto beaches. The boat is self-righting with the keel down and if over powered will round up into the wind. A very safe family boat. The interior has adequate storage and space for cruising. I have recent maintenance records and a wealth of information about the boat and its history, along with boat and equipment manuals. The hull shows some gelcoat spider checking and chalking normal for its age. The teak is solid but weathered and could use some TLC. There are no functional issues at all with the hull or deck, a solid boat.

    In addition there is a very active association for this boat

    She is complete and ready to sail.


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    San Juan 21 MKII, 1977 sailboat

    San Juan 21 MKII, 1977 sailboat

    San Juan 21 MKII, 1977 sailboat

    San Juan 21 MKII, 1977 sailboat

    San Juan 21 MKII, 1977 sailboat