Overview —��Rainbow | Constantine 73 Cutter-Rigged Sloop
Rainbow is a rugged and spacious 73’ offshore cruising yacht, custom built in California by Constantine Yachts and designed by Stephens Marine. Constructed of FRP (Fiberglass Reinforced Plastic).
This cutter-rigged sloop features a full keel, center cockpit design with a hardtop enclosure, and a 3-cabin / 3-head layout — ideal for private cruising or charter operations. Over the past several years, Rainbow has been successfully operated as a charter vessel in Mexican waters. The owner holds charter permits for this region, adding significant value for a buyer looking to continue charter operations or generate passive income.
Approximately $150,000 has been invested in upgrades, maintenance, and equipment — ensuring the boat is mechanically sound and outfitted for extended cruising or commercial use. She is equipped with a reliable Detroit Diesel 6-71N engine, Northern Lights generator, watermaker, modernized electrical systems, extensive navigation electronics, and a comfortable, functional interior.
Whether you’re looking for a comfortable cruiser, a liveaboard adventure platform, or a turn-key charter operation — Rainbow is a unique and proven vessel with tremendous potential.
Full Specifications
General
- Year Built: 1973
- Designer: Stephens Marine (California)
- Builder: Constantine Yachts, Stockton, CA
- Model: Constantine 73 Cutter-Rigged Sloop
- Hull Material: FRP (Fiberglass Reinforced Plastic — Composite Construction)
- Hull Type: Full keel, heavy displacement offshore cruiser
- Rig: Cutter-rigged sloop
- Length Overall: 73’
- Beam: 17’
- Draft: 7’
- Displacement: Approx. 85,000 lbs
Engine & Mechanical
- Engine: Detroit Diesel 6-71N (naturally aspirated)
- Engine Hours: Approx. 7,000 hours
- Transmission: Twin Disc
- Fuel Capacity: Approx. 1,000 gallons (four tanks)
- Water Capacity: Approx. 500 gallons
- Generator: Northern Lights 8kW Diesel Generator
- Steering: Hydraulic steering system
- Dual Racor fuel filtration systems
Electrical Systems
- 12V DC and 110/220V AC electrical systems
- Inverter system
- Shore power connection
- Battery banks with recent replacements
- Multiple battery chargers and management systems
- Lighting: LED interior and navigation lighting upgrades
Sails & Rigging
- Cutter rig with staysail and roller furling headsail
- Aluminum mast and boom
- Stainless steel standing rigging
- Assorted sail inventory (mainsail, headsails, staysail, storm sail)
- Lewmar winches throughout
Deck & Hull Features
- Center cockpit with hardtop enclosure
- Teak decks
- Large aft deck for lounging or dive gear storage
- Hot tub on aft deck
- Maxwell electric windlass
- 100 lb. Bruce-style anchor with chain rode
- Secondary anchors and ground tackle
- Stainless steel stanchions and lifelines
- Boarding ladder
- Dinghy davits
Interior Layout
- 3-Cabin / 3-Head Layout — Excellent for Charter or Family Cruising
- Forward Cabin with twin berths and ensuite head
- Midship Cabin with over/under berths
- Large aft Owner’s Stateroom with private head and shower
- Spacious salon with settee and dining area
- Full galley with stove, oven, refrigeration, and storage
- Navigation station
- Ample storage throughout
Additional Features & Equipment
- Watermaker system
- Air conditioning and heating
- Full complement of navigation electronics (GPS, Radar, Autopilot, VHF, AIS)
- Safety equipment (life raft, EPIRB, fire suppression systems)
- Extensive spare parts inventory
