1982 Bayliner 3870 with Twin Cummins

Oceanside, United States


Builder / Designer

Year: 1982
Make: Bayliner
Model: 3870 with Twin Cummins
Construction: Fiberglass

Engines / Speed

Engines: 2
Engine Type: Inboard
Engine Power: 500 hp
Cruising Speed: 12 kn
Maximum Speed: 22 kn


Nominal Length: 38 ft / 11.58 m
Length Overall: 41 ft / 12.50 m
Beam: 13.42 ft / 4.09 m
Maximum Speed: 22 kn
Dry Weight: 17,500 lb


Fuel Tanks: 1
Fuel Tank Capacity: 304|gallon
Water Tanks: 1
Water Tank Capacity: 80|gallon

~ Twin Cummins and Slip is maybe transferable ~

The 1982 Bayliner 3870 MY is a classic flybridge sedan. She is the most desirable boat for its versatility. She is capable of handling most tasks that a family might ask for a 38-foot power boat from cruising to dockside entertaining to sport fishing!

She has been long recognized as a good value for those who are looking for a comfortable diesel cruiser at an affordable price.

Key Features:

  • Two Staterooms:  Innovative private guest suite mid cabin with full size bed, storage, standing headroom and a head with shower/bathtub!
  • Private forward Master Suite with Island Queen Bed and Private Head.  Lots of headroom!
  • Down Galley with full appliances:
    Microwave, Three Burner Stove/Oven and Nice Size Refrigerator
  • Open Salon with 360-degree view, raised U-shaped seating and separate dinette
  • Lower Helm/Navigation Station with Stainless Steel Steering Wheel and Electronics
  • Large Flybridge equipped with full electronics.  She has a Bimini top and large seating for guests plus a newly installed Hard Top (rare) with rail over the cockpit and to add more space to the flybridge.
  • Swim Step
  • Side Deck
  • New Bottom Paint
  • The original engines were replaced with Twin Cummins 5.9 250 hp Turbo Diesel with only  in 1990. The engines now have 1500 hours each.
  • Generator - Northern Lights 5.5 kw
  • and more
Maintenance and Upgrade Features
  • New Bottom Paint (Completely Strip and Redone) - 2017
  • Newly installed Hard Top (Rare) with rail over cockpit and to add more space to the Flybridge - 2017
  • Generator - Northern Lights 5.5 kw
  • New Replacements of the Engine Vent Covers - 2017
  • Turbos have been rebuilt - 2017
  • Rebuilt After Coolers (Fresh Water Cooled) - 2017
  • Injectors Replaced - 2017
  • New Fuel Lines - 2017
  • New  Coolant Hoses - 2017
  • New Exhaust Spray Rings - 2017
  • New Exhaust Blankets - 2017
  • New Clamps - 2017
  • New Valve Cover Gaskets - 2017
  • Four New House Batteries (Trojan) - 2017
  • Automated Fire Suppression System Maintenance and Certification (USCG required) - 2017
  • New Extinguishers -2017
  • Auxiliary Fuel Tank 100 gallons custom built
  • 2009 Achilles 315 Hard bottom RIB with 9.9 Nissan 4 stroke electric start ( can be included with the right sale price)
  • Note: Television and personal effects are excluded.

The Bayliner 3870/3888 is unusually roomy and comfortable layout for its size.

The key feature are:

  • Her innovative mid cabin floorplan Guest Suite with a full size berth with hanging locker, storage underneath at headboard, standing headroom, opening hatch for ventilation and natural light.  She offers access to share the main head with vanity, shower/bathtub 
  • The forward Master Suite berth has an Island queen with a private head.  She has Storage underneath the berth, lots of Headroom, (2) Speakers, overhead hatch for natural light and ventilation, Port Side Vanity with mirror and plenty of counter space. 
  • She has a down galley with full appliances:  
    Residential Refrigerator, Microwave, Double Stainless Sink, Propane three burner stove with oven and plenty of storage
  • She has a spacious salon with 360 degree view, wide windows, 6' 4" headroom, raised U Shape settee with large table to Port and a Drop down dinette table with two chairs to Starboard.
  • Starboard Bar Cabinet
  • Sony AM/FM Radio with CD Player
  • (2) Pioneer Speakers


  • Down Galley

  • Double Stainless Steel Sink
  • Hillerange LPG 3 Burner stove/oven
  • Built in Microwave
  • Norcold Refrigerator
  • Large counter space
  • Plenty of storage
  • Teak and Holy floor

  • Opening window with a view plus ventilation and natural light

  • Pathfinder RL70 Radar
  • Raytheon Auto Pilot
  • Quest Standard Horizon VHF Radio
  • Ritchie Compass
  • Stainless Steel Steering Wheel
  • Bimini
  • Safety stainless steel railing
  • (2) Sony Speakers
  • Large L- shape settee to Starboard and a settee to Port that can seat 8 comfortably
  • Extended Hard top (Rare) for extra seating in the Flybridge and cover Cockpit

    Lower Helm:
  • Raytheon Auto Pilot
  • Interphase DC100 Fishing Sonar
  • West Marine VHF Radio 
  • Compass
  • New Hour Meters
  • Electrical Panel
  • Generator Control
  • Gauges
Deck and Cockpit
  • Flybridge with Bimini
  • Newly installed Hard Top (Rare) to cover cockpit for sun protection
  • Electric Davit for Dinghy
  • Dinghy Chocks
  • (2) Speakers - Cockpit
  • Teak Cap Rails
  • Large Swim Platform with integrated SwimLadder
  • Large Lazarette 
  • Transom Storage and Access to the Generator
  • Dual Access: Thru Cockpit Lazarette or Salon Floor
  • Rod Holder in the Cockpit
  • BBQ 
  • Stainless Steel Ladder to the Flybridge
  • Wide Side Deck
  • Windlass with Anchor Line and 240' Chain marked every 50 ft
  • Engines:  Twin Diesel Total 500 HP
  • Engine Model:  Cummins 5.9 Turbo 6BT
  • Year in Service: 1990
  • Drive Type:  Direct Drive Twin Disc Transmissions
  • Engine Hours:  1500 each
  • She cruises at 12 to 14 Knots  and burns a gallon per mile


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.

Listed by Cruising Yachts - San Diego

THIS BOAT IS SUBJECT TO AN EXCLUSIVE LISTING AGREEMENT WITH THE BROKER LISTED ABOVE AND IS NOT OFFERED FOR SALE BY LAKE UNION SEA RAY. Lake Union Sea Ray is merely providing this information in an effort to represent you as a buyer in the purchase of this vessel.