Aleutian 51

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.