• Slide: The Image of Aerial view of 1977 Aleutian 51 sailboat on turquoise sea near rocky coastline. - 1The Image of Aerial view of 1977 Aleutian 51 sailboat on turquoise sea near rocky coastline. - 1
  • Slide: The Image of 1977 Aleutian 51 sailboat, named Tulum V, on dry dock for maintenance. - 2The Image of 1977 Aleutian 51 sailboat, named Tulum V, on dry dock for maintenance. - 2
  • Slide: The Image of 1977 Aleutian 51 sailboat docked, featuring classic design and sturdy build. - 3The Image of 1977 Aleutian 51 sailboat docked, featuring classic design and sturdy build. - 3
  • Slide: The Image of Sailboat with solar panels on deck, Aleutian 51, 1977, anchored in scenic tropical waters. - 4The Image of Sailboat with solar panels on deck, Aleutian 51, 1977, anchored in scenic tropical waters. - 4
  • Slide: The Image of 1977 Aleutian 51 sailboat docked, showcasing wooden deck and mountainous backdrop. - 5The Image of 1977 Aleutian 51 sailboat docked, showcasing wooden deck and mountainous backdrop. - 5
  • Slide: The Image of Interior view from a 1977 Aleutian 51 sailboat cockpit, overlooking the ocean. - 6The Image of Interior view from a 1977 Aleutian 51 sailboat cockpit, overlooking the ocean. - 6
  • Slide: The Image of 1977 Aleutian 51 yacht interior with blue seating and wooden steering wheel. - 7The Image of 1977 Aleutian 51 yacht interior with blue seating and wooden steering wheel. - 7
  • Slide: The Image of 1977 Aleutian 51 sailboat on stands, blue hull, clear sky background. - 8The Image of 1977 Aleutian 51 sailboat on stands, blue hull, clear sky background. - 8
  • Slide: The Image of Close-up of 1977 Aleutian 51 yacht railing with metal fittings and wooden trim. - 9The Image of Close-up of 1977 Aleutian 51 yacht railing with metal fittings and wooden trim. - 9
  • Slide: The Image of Sailing equipment on Aleutian 51 yacht, 1977, with blue rope and pulley system. - 10The Image of Sailing equipment on Aleutian 51 yacht, 1977, with blue rope and pulley system. - 10
  • Slide: The Image of Sailboat Aleutian 51 (1977) at sunset on calm sea with distant mountains. - 11The Image of Sailboat Aleutian 51 (1977) at sunset on calm sea with distant mountains. - 11
  • Slide: The Image of 1977 Aleutian 51 sailboat deck view with sails and ocean backdrop. - 12The Image of 1977 Aleutian 51 sailboat deck view with sails and ocean backdrop. - 12
  • Slide: The Image of Sailboat docked by serene lake with mountain reflections, Aleutian 51, 1977 model. - 13The Image of Sailboat docked by serene lake with mountain reflections, Aleutian 51, 1977 model. - 13
  • Slide: The Image of Wooden doors open to a sunlit deck on a 1977 Aleutian 51 yacht. - 14The Image of Wooden doors open to a sunlit deck on a 1977 Aleutian 51 yacht. - 14
  • Slide: The Image of Storage compartment on a 1977 Aleutian 51 boat, filled with ropes and colorful gear. - 15The Image of Storage compartment on a 1977 Aleutian 51 boat, filled with ropes and colorful gear. - 15
  • Slide: The Image of Sailboat Aleutian 51 (1977) with solar panels, anchored near rocky coastline. - 16The Image of Sailboat Aleutian 51 (1977) with solar panels, anchored near rocky coastline. - 16
  • Slide: The Image of Cockpit of 1977 Aleutian 51 yacht with navigation equipment and digital displays. - 17The Image of Cockpit of 1977 Aleutian 51 yacht with navigation equipment and digital displays. - 17
  • Slide: The Image of Jib furler controls on a 1977 Aleutian 51 sailboat. - 18The Image of Jib furler controls on a 1977 Aleutian 51 sailboat. - 18
  • Slide: The Image of Deck of 1977 Aleutian 51 sailboat featuring anchor and rigging details. - 19The Image of Deck of 1977 Aleutian 51 sailboat featuring anchor and rigging details. - 19
  • Slide: The Image of Porthole on 1977 Aleutian 51 yacht with wooden deck detail. - 20The Image of Porthole on 1977 Aleutian 51 yacht with wooden deck detail. - 20
  • Slide: The Image of 1977 Aleutian 51 yacht deck with wooden trim and hatch detail. - 21The Image of 1977 Aleutian 51 yacht deck with wooden trim and hatch detail. - 21
  • Slide: The Image of Sailing on a 1977 Aleutian 51 yacht under clear blue skies. - 22The Image of Sailing on a 1977 Aleutian 51 yacht under clear blue skies. - 22
  • Slide: The Image of Sailboat Aleutian 51 under a bright sun halo in clear blue sky. - 23The Image of Sailboat Aleutian 51 under a bright sun halo in clear blue sky. - 23
  • Slide: The Image of Clear turquoise water with submerged Aleutian 51 boat, 1977 model. - 24The Image of Clear turquoise water with submerged Aleutian 51 boat, 1977 model. - 24
  • Slide: The Image of Sailboat Aleutian 51 navigating a canal lock, 1977 model, with people on deck. - 25The Image of Sailboat Aleutian 51 navigating a canal lock, 1977 model, with people on deck. - 25
  • Slide: The Image of 1977 Aleutian 51 sailboat with stainless steel rigging and netting on deck. - 26The Image of 1977 Aleutian 51 sailboat with stainless steel rigging and netting on deck. - 26
  • Slide: The Image of Blue sail cover on 1977 Aleutian 51 yacht under clear sky. - 27The Image of Blue sail cover on 1977 Aleutian 51 yacht under clear sky. - 27
  • Slide: The Image of Close-up of a 1977 Aleutian 51 sailboat deck fitting and hardware. - 28The Image of Close-up of a 1977 Aleutian 51 sailboat deck fitting and hardware. - 28
  • Slide: The Image of Cockpit of 1977 Aleutian 51 sailboat with blue cushions and teak flooring. - 29The Image of Cockpit of 1977 Aleutian 51 sailboat with blue cushions and teak flooring. - 29
  • Slide: The Image of Sailboat Aleutian 51 (1977) anchored near lush island under blue sky. - 30The Image of Sailboat Aleutian 51 (1977) anchored near lush island under blue sky. - 30
  • Slide: The Image of Weather station on Aleutian 51 yacht, 1977 model, featuring solar panel and anemometer. - 31The Image of Weather station on Aleutian 51 yacht, 1977 model, featuring solar panel and anemometer. - 31
  • Slide: The Image of Deck view of a 1977 Aleutian 51 yacht with winch and ropes. - 32The Image of Deck view of a 1977 Aleutian 51 yacht with winch and ropes. - 32
  • Slide: The Image of Boat electrical connections on a 1977 Aleutian 51 yacht, featuring stainless steel fittings. - 33The Image of Boat electrical connections on a 1977 Aleutian 51 yacht, featuring stainless steel fittings. - 33
  • Slide: The Image of Vintage 1977 Aleutian 51 sailboat winch with polished metal finish. - 34The Image of Vintage 1977 Aleutian 51 sailboat winch with polished metal finish. - 34
  • Slide: The Image of CPT Autopilot device with nautical wheel design, manufactured by CPT Autopilot Inc., USA. - 35The Image of CPT Autopilot device with nautical wheel design, manufactured by CPT Autopilot Inc., USA. - 35
  • Slide: The Image of 1977 Aleutian 51 yacht helm with radio equipment and emergency call procedures. - 36The Image of 1977 Aleutian 51 yacht helm with radio equipment and emergency call procedures. - 36
  • Slide: The Image of Freshly caught lobsters glistening in sunlight on Aleutian 51 boat, 1977 model, ocean backdrop. - 37The Image of Freshly caught lobsters glistening in sunlight on Aleutian 51 boat, 1977 model, ocean backdrop. - 37
  • Slide: The Image of Sunset over a tranquil bay with sailboats, silhouetted hills, and a vibrant sky. - 38The Image of Sunset over a tranquil bay with sailboats, silhouetted hills, and a vibrant sky. - 38
  • Slide: The Image of Luxurious 1977 Aleutian 51 yacht interior with elegant wood finishes and comfortable seating. - 39The Image of Luxurious 1977 Aleutian 51 yacht interior with elegant wood finishes and comfortable seating. - 39
  • Slide: The Image of Wooden door with carved bamboo design, Aleutian 51, 1977 model. - 40The Image of Wooden door with carved bamboo design, Aleutian 51, 1977 model. - 40
  • Slide: The Image of 1977 Aleutian 51 yacht interior with wooden cabinetry and parquet flooring. - 41The Image of 1977 Aleutian 51 yacht interior with wooden cabinetry and parquet flooring. - 41
  • Slide: The Image of Plaque with Hunter S. Thompson quote on Aleutian 51, 1977 model. - 42The Image of Plaque with Hunter S. Thompson quote on Aleutian 51, 1977 model. - 42
  • Slide: The Image of Cozy cabin interior of 1977 Aleutian 51 yacht with decorative pillows and wooden paneling. - 43The Image of Cozy cabin interior of 1977 Aleutian 51 yacht with decorative pillows and wooden paneling. - 43
  • Slide: The Image of Cozy cabin bed in 1977 Aleutian 51 yacht with patterned quilt and cat-themed pillows. - 44The Image of Cozy cabin bed in 1977 Aleutian 51 yacht with patterned quilt and cat-themed pillows. - 44
  • Slide: The Image of 1977 Aleutian 51 yacht bathroom with carved wooden door and nautical decor. - 45The Image of 1977 Aleutian 51 yacht bathroom with carved wooden door and nautical decor. - 45
  • Slide: The Image of Vintage Aleutian 51 stove from 1977 with a stainless steel finish. - 46The Image of Vintage Aleutian 51 stove from 1977 with a stainless steel finish. - 46
  • Slide: The Image of 1977 Aleutian 51 yacht interior with carved wood details and cozy sleeping area. - 47The Image of 1977 Aleutian 51 yacht interior with carved wood details and cozy sleeping area. - 47
  • Slide: The Image of Cozy 1977 Aleutian 51 yacht cabin with nautical-themed bedding and bookshelf. - 48The Image of Cozy 1977 Aleutian 51 yacht cabin with nautical-themed bedding and bookshelf. - 48
  • Slide: The Image of Wooden door with intricate bamboo carving, Aleutian 51, 1977 model. - 49The Image of Wooden door with intricate bamboo carving, Aleutian 51, 1977 model. - 49
  • Slide: The Image of Aleutian 51 1977 - 50The Image of Aleutian 51 1977 - 50
  • Slide: The Image of Aleutian 51 1977 - 51The Image of Aleutian 51 1977 - 51
  • Slide: The Image of Aleutian 51 1977 - 52The Image of Aleutian 51 1977 - 52
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1977 Aleutian 51

$165,000

Used

Boat in Corpus Christi, TX 78401 US

builtBuilt in 1977
Year the boat was built
model

51

Boat model
engine

1 Engine (Ford-Lehman)

Engine type and count
length

51 feet

Overall boat length
fuel

Diesel

Fuel type
material

Fiberglass/Reinforced

Hull material

Aleutian 51 Ketch - 1977

TULUM 5

TULUM 5 is a classic 1977 Aleutian 51 ketch, strongly built in fiberglass with a full keel and recently refitted for extended cruising. She combines the charm of a traditional bluewater yacht with the reliability of modern upgrades, making her an excellent choice for sailors looking for a capable liveaboard or passagemaker. With a brand-new Cummins engine (2024), a powerful LiFePO4 battery bank, new sails, and updated systems, she is ready to carry her next owner offshore in comfort and safety.

Key Features

  • Length Overall: 51 ft | Beam: 14 ft | Draft: 8 ft | Displacement: 34,000 lbs

  • Hull: Solid fiberglass below waterline, fiberglass/foam core topsides

  • Keel: Full keel (integral to hull, no bolts)

  • Registration: USCG

Mechanical & Electrical

  • Engine: Cummins 4BT-150, brand new (2024), 150 HP, ~200 hrs

  • Cruise Speed: 8-10 knots motor-sailing | Max Speed: ~9-10 knots

  • Fuel Capacity: 30 gal + 100 gal working tanks, plus additional 100 gal & 40 gal (need resealing)

  • Fuel Burn: ~0.67 gph @ 1100 rpm (proven passage: 200 hrs = 134 gal from Panama to Texas)

  • Drive Type: V-drive | Steering: Hydraulic | Thrusters: Bow thruster

Power Systems:

  • New LiFePO4 house bank - 1120Ah (2024)

  • New lead-acid start and thruster/windlass batteries (2024)

  • Solar: 1000W (10 panels)

  • Wind generator

  • Inverter: 3000W

  • Shore Power: 110V

Water Systems:

  • Watermaker: Rainman, 100-140 L/hr

  • Tankage: Water 130 gal | Hot water tank 20 gal

Rigging & Sails

  • Rig: Ketch, aluminum spars

  • Standing Rigging: ~5 years old, inspected & serviced (May 2024)

  • Running Rigging: Good condition, with several new lines in inventory

  • Mainsails: Good, low-hours (new 2020)

  • Headsails: Good, low-hours (new 2020; storm sail needs repair)

  • Spinnaker: Onboard, condition unknown

  • Furlers: Yes | Winches: Yes (manual)

Accommodations

  • Cabins: 2 | Berths: 4 (+2 in saloon)

  • Heads: 2 (electric), with holding tanks

  • Shower: 1 enclosed

  • Headroom: 6 ft in master

Galley:

  • Centrally located, practical for passage making

  • Stove/oven, 12V fridge & freezer, sink, portable microwave

  • Adequate storage and workspace

Electronics

  • Depth sounder, wind instruments, log

  • Autopilot

  • GPS & chart plotter

  • Radar (belt broken, requires repair/replacement)

  • VHF radios, stereo system

Safety & Ground Tackle

  • Life raft: Professionally inspected & repacked (Apr 2024)

  • EPIRB: Yes

  • Anchors: Primary + 2 spares, 100m of 3/8" chain

  • Windlass: Yes

  • Fire extinguishers, MOB gear, life rings

Deck & Extras

  • Hard bimini with soft sides

  • Cockpit cushions (2 marine chairs)

  • Swim ladder, davits, deck shower, deck wash

  • Mooring lines & fenders

  • Boat hook, spare gear

Recent Refit Highlights (2024)

  • Brand new Cummins 150 HP engine

  • Full battery system replaced with 1120Ah LiFePO4 + new engine/thruster batteries

  • Standing rigging inspected and serviced

  • Life raft serviced and repacked

  • Bottom paint (May 2024)

Summary

TULUM 5 offers a rare opportunity to own a proven offshore ketch that has already received significant refits where it matters most: engine, rigging, batteries, sails, and safety equipment. She is an ideal yacht for a couple or small family looking to explore the world's oceans in a vessel with character, capability, and modern upgrades.

Nominal Length
51ft
Length Overall
51ft
Length at Waterline
48ft
Beam
14ft
Max Bridge Clearance
68ft
Max Draft
8ft
Cabins
2
Heads
2
Fresh Water Tanks
150gal
Fuel Tanks
230gal
Holding Tanks
25gal
Hull Material
fiberglass
Hull Shape
displacement
Engine 1
Engine Make
Ford-Lehman
Engine Model
6D380
Total Power
120hp
Fuel Type
diesel
PAST REFITS



REFIT HISTORY

2019- Engine removed from the boat and completely overhauled.

New Main and Mizzen sails from Zoom Sails and designed by Jamie Gifford (S/V Totem)

2020- Main Fuel Tank removed and new aluminum fuel tank built and installed.
All Standing Rigging removed and replaced with high quality South Korean wire sourced from the United States.
Custom Chain Plates (316L) made and installed on the boat.
Bottom was painted (red).
New Asymetric Spinnaker, large front Jib and Stak Paks from Zoom Sails and designed by Jamie Gifford (S/V Totem)

2021- Complete overhaul of the exhaust system, new exhaust system custom made and installed.

2022- Engine Removed so that new and upgraded support beams could be made and installed for new shaft bearings.
Engine completely serviced while it was out.
Exhaust System was inspected while the engine was out.
Bottom was painted (blue).

Disclaimer

The Company offers the details of this vessel in good faith but cannot guarantee or warrant the accuracy of this information nor warrant the condition of the vessel. A buyer should instruct his agents, or his surveyors, to investigate such details as the buyer desires validated. This vessel is offered subject to prior sale, price change, or withdrawal without notice.

Price History

DateEventPrice
2/25/26Initial price$165,000

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Panama, 0101

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