SailboatListings.com

Your search returned 1625 matches of 104148 sailboats posted to date

Pages:
6
...

Sort by: Length Year Price Added

Pacific Seacraft Flicka
1981 Saint Leonard Maryland 20 Pacific Seacraft Flicka
Length: 20'     Beam:  8'     Draft:  3.25'
Year: 1981
Type: cruiser
Hull: fiberglass  monohull
Engine: 0 gas inboard
Location: Saint Leonard, Maryland
Asking: $20,900
Sailboat Added 02-Nov-2020  More Details

Hobie Cat Miracle
Length: 20'
Type: other
Hull: fiberglass  catamaran
Location: Cranford, New Jersey
Asking: $5,000
Sailboat Added 26-Mar-2012  More Details

Cal Cal 20
1969 Detroit Michigan 20 Cal Cal 20
Length: 20'     Beam:  7'     Draft:  3'3"'
Year: 1969
Type: cruiser
Hull: fiberglass  monohull
Engine: 1 gas outboard
Location: Detroit, Michigan
Asking: $1,150
Sailboat Added 13-Feb-2013  More Details



Com-Pac - Horizon Cat Horizon Cat Boat
2021 West Greenwich Rhode Island 20 Com-Pac - Horizon Cat Horizon Cat Boat
Length: 20'     Beam:  8' 4'     Draft:  2'-5''
Year: 2021
Type: cruiser
Hull: fiberglass  monohull
Engine: 1 gas outboard
Location: West Greenwich, Rhode Island
Asking: $43,500
Sailboat Added 04-Jul-2023  More Details

Pacific Sea Craft Flicka
1980 Port St Lucie Florida 20 Pacific Sea Craft Flicka
Length: 20'     Beam:  8'     Draft:  3.25'
Year: 1980
Type: cruiser
Hull: fiberglass  monohull
Engine: 1 gas outboard
Location: Port St Lucie, Florida
Asking: $22,000
Sailboat Added 25-Mar-2024  More Details

Pacific SeaCraft flicka
1979 Santa Barbara California 20 Pacific SeaCraft flicka
Length: 20'     Draft:  3'
Year: 1979
Type: cruiser
Hull: fiberglass  monohull
Engine: 1 gas outboard
Location: Santa Barbara, California
Asking: $19,500
Sailboat Added 10-Jan-2020  More Details

EXE Fibercraft Limited Nordica 20
1978 Hinsdale New York 20 EXE Fibercraft Limited Nordica 20
Length: 20'     Beam:  8'     Draft:  3.3'
Year: 1978
Type: cruiser
Hull: fiberglass  monohull
Engine: 1 gas outboard
Location: Hinsdale, New York
Asking: $5,500
Sailboat Added 26-Feb-2016  More Details

Featured Sailboat:  Pacific Seacraft Flicka 20
1984 Hernando Beach Florida 20 Pacific Seacraft Flicka 20
Length: 20'     Beam:  8'     Draft:  3.25'
Year: 1984
Type: cruiser
Hull: fiberglass  monohull
Engine: 1 gas outboard
Location: Hernando Beach, Florida
Asking: $29,900
Featured Sailboat Added 04-Apr-2024  More Details

Hobbie Cat Miracle 20
Length: 20'
Year: 1996
Type: racer
Hull: fiberglass  catamaran
Engine: gas inboard
Location: Fresno, California
Asking: $3,800
Sailboat Added 07-Feb-2018  More Details



Panther Craft Tornado Classic
1974 Stow Ohio 20 Panther Craft Tornado Classic
Length: 20'     Beam:  10'     Draft:  3'
Year: 1974
Type: racer
Hull: fiberglass  catamaran
Location: Stow, Ohio
Asking: $2,500
Sailboat Added 19-Oct-2019  More Details

Com-Pac Horizon Day Cat
2019 Buford GA Georgia 20 Com-Pac Horizon Day Cat
Length: 20'     Beam:  8'4'     Draft:  5'
Year: 2019
Type: daysailer
Hull: fiberglass  monohull
Engine: 1 gas outboard
Location: Buford GA, Georgia
Asking: $33,950
Sailboat Added 28-Mar-2024  More Details

Nacra 6.0 catamaran
1994 McAllen Texas 20 Nacra 6.0 catamaran
Length: 20'
Year: 1994
Type: racer
Hull: fiberglass  catamaran
Location: McAllen, Texas
Asking: $4,500
Sailboat Added 06-Jul-2020  More Details

Cal Jensen Cal 20
1974  Florida 20 Cal Jensen Cal 20
Length: 20'     Beam:  8'     Draft:  3.5'
Year: 1974
Type: cruiser
Hull: fiberglass  monohull
Asking: $3,500
Sailboat Added 18-May-2023  More Details

Boston Whaler Catamaran Sailboat Supercat 20 Tall Rig
1984 Atlanta Georgia 20 Boston Whaler Catamaran Sailboat Supercat 20 Tall Rig
Length: 20'     Beam:  12'     Draft:  12'
Year: 1984
Type: racer/cruiser
Hull: composite  catamaran
Engine: 1 other outboard
Location: Atlanta, Georgia
Asking: $7,750
Sailboat Added 30-Jan-2021  More Details

Pacific seacraft flicka
Pacific seacraft flicka
Length: 20'     Beam:  8'     Draft:  3'
Year: 1979
Type: cruiser
Hull: fiberglass  monohull
Engine: gas outboard
Asking: $25,000
Sailboat Added 04-Sep-2015  More Details

Hutchins Com-Pac 19II
1984 Brighton Michigan 20 Hutchins Com-Pac 19II
Length: 20'     Beam:  7.5'     Draft:  2'
Year: 1984
Type: daysailer
Hull: fiberglass  monohull
Engine: 1 gas outboard
Location: Brighton, Michigan
Asking: $6,800
Sailboat Added 13-Sep-2017  More Details

Custom Handmade Wittholz Cat Boat
1999 Urbana Ohio 20 Custom Handmade Wittholz Cat Boat
Length: 20'     Beam:  9'     Draft:  2'
Year: 1999
Type: cruiser
Hull: wood  monohull
Engine: 1 gas inboard
Location: Urbana, Ohio
Asking: $29,950
Sailboat Added 21-Aug-2021  More Details

Pacific Seacraft Flicka
1991 Seabrook Marina Seabrook Texas 20 Pacific Seacraft Flicka
Length: 20'     Beam:  8'     Draft:  3'3'''
Year: 1991
Type: cruiser
Hull: fiberglass  monohull
Engine: 1 diesel inboard
Location: Seabrook Marina Seabrook, Texas
Asking: $29,000
Sailboat Added 19-May-2012  More Details

Harvey Dorycamaro boat set up for commercial use/Z28 SS Stage II
1970 Bandon Oregon 20 Harvey Dorycamaro boat set up for commercial use/Z28 SS Stage II
Length: 20'     Beam:  7'6'     Draft:  4'
Year: 1970
Type: other
Hull: fiberglass  monohull
Engine: 1 gas outboard
Location: Bandon, Oregon
Asking: $34,000
Sailboat Added 08-Feb-2015  More Details



Pacific Seacraft Flicka 20
1979 Edmonds Washington 20 Pacific Seacraft Flicka 20
Length: 20'     Beam:  8'     Draft:  3'
Year: 1979
Type: cruiser
Hull: fiberglass  monohull
Engine: 1 gas outboard
Location: Edmonds, Washington
Asking: $25,000
Sailboat Added 26-Nov-2021  More Details

nacra f20 carbon
2011  Outside United States 20 nacra f20 carbon
Length: 20'     Beam:  10.8'
Year: 2011
Type: racer
Hull: composite  catamaran
Engine: gas inboard
Asking: $20,000
Sailboat Added 20-Jun-2018  More Details

Nordica Boats Nordica 20
1976 Anderson South Carolina 20 Nordica Boats Nordica 20
Length: 20'     Beam:  7.67'     Draft:  3.0'
Year: 1976
Type: cruiser
Hull: fiberglass  monohull
Location: Anderson, South Carolina
Asking: $2,000
Sailboat Added 13-Jun-2015  More Details

Pacific Seacraft Flica
1982 Kings Plaza Marina New York 20 Pacific Seacraft Flica
Length: 20'     Draft:  3.5'
Year: 1982
Type: cruiser
Hull: fiberglass  monohull
Engine: 1 gas outboard
Location: Kings Plaza Marina, New York
Asking: $25,000
Sailboat Added 20-Feb-2019  More Details

Clipper Marine USA Clipper Marine 21
1972 Lake City Florida 20.92 Clipper Marine USA Clipper Marine 21
Length: 20.92'     Beam:  7.25'     Draft:  0.9'
Year: 1972
Type: racercruiser
Hull: fiberglass  monohull
Engine: 1 gas outboard
Location: Lake City, Florida
Asking: $2,500
Sailboat Added 13-Aug-2013  More Details

Beachcomber Beachcomber-Alpha Dory
1996 Chattanooga Tennessee 21 Beachcomber Beachcomber-Alpha Dory
Length: 21'     Beam:  5.17'     Draft:  1'
Year: 1996
Type: daysailer
Hull: wood  monohull
Location: Chattanooga, Tennessee
Asking: $5,000
Sailboat Added 20-Oct-2011  More Details

PRECISION BOAT WORKS PRECISION 21 - SOLD
Length: 21'     Beam:  8'     Draft:  1-6'
Year: 1990
Type: daysailer
Hull: fiberglass  monohull
Engine: 1 gas outboard
Location: MOUNT PLEASANT, Pennsylvania
Asking: $4,500
Sailboat Added 20-Apr-2022  More Details

Andrews Bravura Yachts Governors Cup 21 -SOLD-
2003 Pleasant Harbor Lake Pleasant Phoenix AZ Arizona 21 Andrews Bravura Yachts Governors Cup 21  -SOLD-
Length: 21'
Year: 2003
Type: racer
Hull: fiberglass  monohull
Location: Pleasant Harbor Lake Pleasant Phoenix AZ, Arizona
Asking: $10,950
Sailboat Added 30-Oct-2018  More Details

Novia Scotia Built CatBoat 1999 Fenwick Williams Design
Novia Scotia Built CatBoat 1999 Fenwick Williams Design
Length: 21'     Beam:  10'     Draft:  2'
Year: 1999
Type: cruiser
Hull: wood  monohull
Engine: 1 diesel inboard
Location: South Yarmouth, Massachusetts
Asking: $15,000
Sailboat Added 23-Sep-2021  More Details

Precision Boatworks Precision 21
2013 Calgary Alberta Canada Outside United States 21 Precision Boatworks Precision 21
Length: 21'     Beam:  8'3'     Draft:  4'8'
Year: 2013
Type: cruiser
Hull: fiberglass  monohull
Engine: 0 gas outboard
Location: Calgary Alberta Canada, Outside United States
Asking: $32,500
Sailboat Added 01-Feb-2024  More Details

Percision Precision 21
Percision Precision 21
Length: 21'     Beam:  8'     Draft:  2'
Year: 2003
Type: cruiser
Hull: fiberglass  monohull
Engine: 1 gas outboard
Location: Lake Sakakawea State Park, North Dakota
Asking: $14,000
Sailboat Added 23-Jul-2018  More Details

Com-Pac Eclipse
2018 portland Oregon 21 Com-Pac Eclipse
Length: 21'     Beam:  7'4'     Draft:  5'2'
Year: 2018
Type: daysailer
Hull: fiberglass  monohull
Engine: gas outboard
Location: portland, Oregon
Asking: $44,900
Sailboat Added 02-Mar-2019  More Details



Custom Boatworks Scarab 650
2017 Port Sanilac Michigan 21 Custom Boatworks Scarab 650
Length: 21'     Beam:  18'     Draft:  1 4'
Year: 2017
Type: racer/cruiser
Hull: fiberglass  trimaran
Engine: 1 gas outboard
Location: Port Sanilac, Michigan
Asking: $29,000
Sailboat Added 26-Jul-2023  More Details

Duffy Electric Boats 21 Classic
2000 St Petersburg Florida 21 Duffy Electric Boats 21 Classic
Length: 21'     Beam:  7.4'     Draft:  2'
Year: 2000
Type: other
Hull: fiberglass  monohull
Engine: 1 other inboard
Location: St Petersburg, Florida
Asking: $15,300
Sailboat Added 15-Apr-2012  More Details

Griffin Classic Boats Christmas Cove Hodgdon 21
2008 Geelong Australia Outside United States 21 Griffin Classic Boats Christmas Cove Hodgdon  21
Length: 21'     Beam:  5'9'     Draft:  3'5'
Year: 2008
Type: daysailer
Hull: composite  monohull
Engine: 0 gas inboard
Location: Geelong Australia, Outside United States
Asking: $19,000
Sailboat Added 16-Apr-2013  More Details

Atlantic Macko Catboat
Atlantic Macko Catboat
Length: 21'     Beam:  10'     Draft:  5'
Year: 1984
Type: daysailer
Hull: fiberglass  monohull
Engine: 1 diesel inboard
Location: North Kingstown, Rhode Island
Asking: $14,999
Sailboat Added 12-Jun-2021  More Details

wesco sail victory class hull 461
Length: 21'     Beam:  6'     Draft:  3'
Year: 1966
Type: racer
Hull: fiberglass  monohull
Location: Reno, Nevada
Asking: $2,000
Sailboat Added 20-Sep-2015  More Details

Catamaran Sol Cat 18
  Michigan 21 Catamaran Sol Cat 18
Length: 21'
Type: daysailer
Hull: fiberglass  catamaran
Engine: 0 other inboard
Asking: $1,000
Sailboat Added 07-Aug-2016  More Details

Freedom Yatchs 21 ft. cat./sloop
1984 Swansea  MA Massachusetts 21 Freedom Yatchs 21 ft. cat./sloop
Length: 21'     Beam:  8'     Draft:  3'6"'
Year: 1984
Type: racercruiser
Hull: fiberglass  monohull
Engine: 1 gas outboard
Location: Swansea MA, Massachusetts
Asking: $3,500
Sailboat Added 03-Dec-2011  More Details

Com-Pac Yachts Eclipse
Com-Pac Yachts Eclipse
Length: 21'     Beam:  7'4'     Draft:  5'2'
Year: 2023
Type: cruiser
Hull: fiberglass  monohull
Location: Lake Lanier NE of Atlanta, Georgia
Sailboat Added 26-May-2022  More Details

Catalina Yachts Retractable Keel Model
1974 West Palm Beach Florida 21'6 Catalina Yachts Retractable Keel Model
Length: 21'6'     Beam:  7'8'     Draft:  20'
Year: 1974
Type: cruiser
Hull: fiberglass  monohull
Engine: 1 gas outboard
Location: West Palm Beach, Florida
Sailboat Added 03-Apr-2021  More Details

Apprenticeshop Muscongus Bay Sloop
73 Huntington New York 21 Apprenticeshop Muscongus Bay Sloop
Length: 21'     Beam:  7'     Draft:  2.5'
Year: 73
Type: daysailer
Hull: wood  monohull
Location: Huntington, New York
Asking: $6,500
Sailboat Added 08-Oct-2014  More Details

Precision Boatworks Precision 21
1991 Pasadena Maryland 21' Precision Boatworks Precision 21
Length: 21''     Beam:  8'3'     Draft:  1'9'
Year: 1991
Type: cruiser
Hull: fiberglass  monohull
Engine: 1 gas outboard
Location: Pasadena, Maryland
Asking: $4,000
Sailboat Added 14-Mar-2023  More Details

Featured Sailboat:  Com-Pac Eclipse
2015 Sarasota County Florida 21 Com-Pac Eclipse
Length: 21'     Beam:  7'     Draft:  1.5'
Year: 2015
Type: daysailer
Hull: fiberglass  monohull
Engine: 1 gas outboard
Location: Sarasota County, Florida
Asking: $25,000
Featured Sailboat Added 31-Mar-2024  More Details

Precision Boatworks Palmetto Florida Precision 21
Length: 21''     Beam:  8'. 3'     Draft:  2' 10'
Year: 1989
Type: daysailer
Hull: fiberglass  monohull
Engine: 1 gas outboard
Location: Plymouth Harbor, Massachusetts
Asking: $2,500
Sailboat Added 23-Jul-2016  More Details

Com-Pac Eclipse
Com-Pac Eclipse
Length: 21'     Beam:  7.3'     Draft:  1-5'
Year: 2006
Type: daysailer
Hull: fiberglass  monohull
Engine: 1 gas outboard
Location: Newport Beach, California
Asking: $22,800
Sailboat Added 03-Dec-2012  More Details

Catalina C22
1976 Alicante Outside United States 21'6 Catalina C22
Length: 21'6'     Beam:  7' 8'     Draft:  2'
Year: 1976
Type: cruiser
Hull: fiberglass  monohull
Engine: 1 gas outboard
Location: Alicante, Outside United States
Asking: $5,400
Sailboat Added 04-Jul-2012  More Details

Catalina C25
1982 Gilbertsville Kentucky Dam Marina Kentucky 21 Catalina C25
Length: 21'     Beam:  6'8'     Draft:  2'8'
Year: 1982
Type: daysailer
Hull: fiberglass  monohull
Engine: 1 other inboard
Location: Gilbertsville Kentucky Dam Marina, Kentucky
Asking: $1,370
Sailboat Added 19-May-2023  More Details

Catalina C-22
1981 Gasony Cove near Kilmarnock Va Virginia 21.5 Catalina C-22
Length: 21.5'     Beam:  7.67'     Draft:  3.5'
Year: 1981
Type: daysailer
Hull: fiberglass  monohull
Engine: 1 gas outboard
Location: Gasony Cove near Kilmarnock Va, Virginia
Asking: $4,000
Sailboat Added 13-Sep-2014  More Details

Americat Catboat
1972 Stratford Connecticut 22 Americat Catboat
Length: 22'     Beam:  10'     Draft:  3'
Year: 1972
Type: cruiser
Hull: fiberglass  monohull
Engine: 1 gas inboard
Location: Stratford, Connecticut
Asking: $6,500
Sailboat Added 15-Apr-2016  More Details

Catalina C-22
1982 Carlyle Illinois 22 Catalina C-22
Length: 22'
Year: 1982
Type: cruiser
Hull: fiberglass  monohull
Location: Carlyle, Illinois
Asking: $4,000
Sailboat Added 12-Apr-2024  More Details

Catalina Capri 22
1989 Lake Champlain NY New York 22 Catalina Capri 22
Length: 22'     Beam:  8'     Draft:  3'
Year: 1989
Type: daysailer
Hull: fiberglass  monohull
Engine: gas inboard
Location: Lake Champlain NY, New York
Asking: $650,000
Sailboat Added 24-Jul-2019  More Details

Columbia c22
Length: 22'     Beam:  6'     Draft:  4'
Year: 71
Type: other
Hull: fiberglass  monohull
Location: Traverse City, Michigan
Asking: $1,250
Sailboat Added 04-Jun-2015  More Details

Catalina Capri
1988 Shelter Island New York 22 Catalina Capri
Length: 22'     Beam:  8'     Draft:  3'
Year: 1988
Type: daysailer
Hull: fiberglass  monohull
Engine: 1 gas outboard
Location: Shelter Island, New York
Asking: $5,000
Sailboat Added 02-Apr-2022  More Details

Catalina C-22
1976 Laingsburg Michigan 22 Catalina C-22
Length: 22'
Year: 1976
Type: daysailer
Hull: fiberglass  monohull
Engine: 1 gas outboard
Location: Laingsburg, Michigan
Asking: $3,500
Sailboat Added 04-Jun-2018  More Details

Catalina Catalina 22
1979 Pymanuning Lake Jamestown PA 16134 Pennsylvania 22 Catalina Catalina 22
Length: 22'
Year: 1979
Type: racer/cruiser
Hull: fiberglass  monohull
Engine: 1 outboard
Location: Pymanuning Lake Jamestown PA 16134, Pennsylvania
Asking: $4,000
Sailboat Added 27-Mar-2017  More Details

Chrysler C22
1975 Michigan City Indiana 22 Chrysler C22
Length: 22'     Beam:  7' 9'     Draft:  2-4'
Year: 1975
Type: cruiser
Hull: fiberglass  monohull
Engine: 1 gas outboard
Location: Michigan City, Indiana
Asking: $3,500
Sailboat Added 15-Jul-2012  More Details

catalina c22
1976 Pembroke Pines Florida 22 catalina c22
Length: 22'     Beam:  8'     Draft:  6'
Year: 1976
Type: daysailer
Hull: fiberglass  monohull
Engine: 1 gas outboard
Location: Pembroke Pines, Florida
Asking: $5,000
Sailboat Added 21-Aug-2014  More Details

Catalina Capri 22 MKII
2014 St Clair Shores Michigan 22 Catalina Capri 22 MKII
Length: 22'     Beam:  8'     Draft:  4'
Year: 2014
Type: racer/cruiser
Hull: fiberglass  monohull
Engine: 1 gas outboard
Location: St Clair Shores, Michigan
Asking: $18,000
Sailboat Added 24-Mar-2024  More Details

Chrysler Chrysler 22
1977 Big Water Marina Lake Hartwell South Carolina 22 Chrysler Chrysler 22
Length: 22'     Beam:  7.75'     Draft:  3.75'
Year: 1977
Type: daysailer
Hull: fiberglass  monohull
Location: Big Water Marina Lake Hartwell, South Carolina
Asking: $3,000
Sailboat Added 29-Jul-2013  More Details

Cape Dory Typhoon Senior and Custom Trailer
1985 Southeastern Massachusetts 22 Cape Dory Typhoon Senior and Custom Trailer
Length: 22'     Beam:  7.42'
Year: 1985
Hull: fiberglass  monohull
Engine: gas inboard
Location: Southeastern, Massachusetts
Asking: $14,500
Sailboat Added 14-Mar-2024  More Details

Catalina C22
1977 Raleigh North Carolina 22 Catalina C22
Length: 22'     Beam:  7'     Draft:  1.67'
Year: 1977
Type: daysailer
Hull: fiberglass  monohull
Engine: 1 other outboard
Location: Raleigh, North Carolina
Asking: $6,800
Sailboat Added 17-Aug-2022  More Details

Catalina C-22
Length: 22'     Beam:  8'     Draft:  3.5'
Year: 1978
Type: other
Hull: fiberglass  monohull
Engine: 1 gas outboard
Location: Haverhill, Massachusetts
Sailboat Added 02-Jul-2014  More Details

Catalina C22 Swing Keel
Catalina C22 Swing Keel
Length: 22'     Beam:  7'8'     Draft:  1'6'
Year: 1986
Type: cruiser
Hull: fiberglass  monohull
Engine: 1 gas outboard
Location: Lawrence, Kansas
Asking: $7,500
Sailboat Added 14-Aug-2018  More Details

Chrysler C-22 Sandpiper
1979 Wild Rose Wisconsin 22 Chrysler C-22 Sandpiper
Length: 22'     Beam:  8'     Draft:  2-5''
Year: 1979
Type: daysailer
Hull: fiberglass  monohull
Engine: gas outboard
Location: Wild Rose, Wisconsin
Asking: $6,000
Sailboat Added 18-Aug-2014  More Details

Catalina Capri 22
2005 Dry Storage Chatfield Marina Colorado 22 Catalina Capri 22
Length: 22'     Beam:  8'     Draft:  4'
Year: 2005
Type: racer/cruiser
Hull: fiberglass  monohull
Engine: 1 gas outboard
Location: Dry Storage Chatfield Marina, Colorado
Asking: $16,900
Sailboat Added 07-Nov-2013  More Details

Catalina Capri
Catalina Capri
Length: 22'     Beam:  8'     Draft:  4'
Year: 1989
Type: racer
Hull: fiberglass  monohull
Engine: 0 gas outboard
Location: Southport, North Carolina
Asking: $11,000
Sailboat Added 21-Mar-2024  More Details



CAL CAL
1986 Cleveland Ohio 22 CAL CAL
Length: 22'     Beam:  8'     Draft:  4'
Year: 1986
Type: cruiser
Hull: fiberglass  monohull
Engine: 1 gas outboard
Location: Cleveland, Ohio
Asking: $3,000
Sailboat Added 04-Mar-2019  More Details

Catalina 22 Capri
2006 Naples Florida 22 Catalina 22 Capri
Length: 22'     Beam:  8'     Draft:  2.5'
Year: 2006
Type: cruiser
Hull: fiberglass  monohull
Engine: 1 gas outboard
Location: Naples, Florida
Asking: $16,500
Sailboat Added 11-May-2014  More Details

Catalina c22
1976 littleton Colorado 22 Catalina c22
Length: 22'
Year: 1976
Type: cruiser
Hull: fiberglass  monohull
Engine: gas outboard
Location: littleton, Colorado
Asking: $2,000
Sailboat Added 19-Aug-2012  More Details

Featured Sailboats (all):


Pages:
6
...


Show all sailboats for sale under: 15 20 25 30 35 40 45 50 55 60 70 80 (feet LOA) | Multihulls: Catamarans Trimarans