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2013 Hampton Endurance 680 LRC

Highland Beach, Florida



Robust Systems for Safety and Reliability - Luxurious and Spacious Interior 

This listing is being updated with new photos and video. Check back again soon. 

If you are looking for a coastal cruiser you should see The Isobel III.  Accommodations are (4) staterooms that include a fully finished aft crew quarters. The galley is a country kitchen layout on the main level. The flybridge is climate controlled with hard windows forward and aft. The helm station offers 360 degree visibility. You can stand up in the spacious, air conditioned engine room. Isobel III has been enjoyed cruising the east coast and Bahamas. Schedule a showing and see the enormous amount of storage aboard. 


KB Marine Sales is pleased to assist you in the purchase of this vessel. This boat is centrally listed by Seattle Yachts - Ft. Lauderdale.

Basic Boat Info

Boat Name: The Isobel III
Make: Hampton
Model: Endurance 680 LRC
Year: 2013
Condition: Used
Category: Power
Construction: Fiberglass
Boat Hull ID: IEW68115I213
Has Hull ID: Yes


Length: 68 ft
Length Overall: 68'9 ft
Waterline Length: 60'8 ft
Beam: 18'8 ft
Max Draft: 5'5 ft
Bridge Clearance: 28 ft
Dry Weight: 100,000 lb
Electrical Circuit: 110 V
Cabins Count: 4

Engines / Speed

Engines: 2
Engine #1 Specs:
  • Make: Caterpillar
  • Model: C18 Acert
  • Drive Type: Direct
  • Fuel: Diesel
  • Engine Power: 930hp
  • Type: Inboard
  • Engine Hours: 2550
  • Engine Location: Port
Engine #2 Specs:
  • Make: Caterpillar
  • Model: C18 Acert
  • Drive Type: Direct
  • Fuel: Diesel
  • Engine Power: 930hp
  • Type: Inboard
  • Engine Location: Starboard
Total Engine Power: 1,860hp
Cruising Speed: 10 kn
Maximum Speed: 21 kn


Fuel Tanks: 1
Fuel Tank Capacity: 2,031 gal
Water Tanks: 1
Water Tank Capacity: 400 gal
Holding Tank Count: 1
Holding Tank Capacity: 150 gal


Heads Count: 4
Drive Type: Direct
Trim Tabs: Yes
Boat Class: Flybridge, Trawlers, Motor Yachts

Steering System
Joystick Control
Brokers Remarks

This Endurance E680 LRC Motoryacht is a great opportunity to own a capable offshore cruising vessel. The Isobel III is up to the challenge of long range cruising plus she provides you with a voyage in style and comfort. Accommodations include (4) staterooms that includes a fully finished aft crew quarters. There are 3 heads with showers and an aft deck day head. The galley is a country kitchen layout on the main level. The flybridge is climate controlled with hard windows forward and aft. The helm station offers 360 degree visibility. There is ample space for relaxing and entertaining. You can stand up in the spacious, air conditioned engine room. 

Notable upgrades include new salon interior, Wesmar stabilizer upgrade, new air conditioning and more.  Isobel III will take you and your guests wherever you cruise in style and in luxurious comfort. 

Vessel Highlights

Wesmar Hydraulic Bow and Stern Thrusters 33hp

Wesmar Hydraulic Stabilizers - upgraded Dec 2021

2000 hour engine service completed Oct 2021

1800 lbs UMT Hydraulic Davit with Power Lift and Power Rotate

FLIR Night Vision with wide angle lens

JMS Joystick Control System (3) Stations

Headhunter Waste Treatment Center

Dive Compressor with tanks 

Marquipt Sea Stairs (6) step mounts port or starboard

Fuel Polisher


Underwater Lights

New windlass - 2022

New salon decor - White/Blue/Gray - Oct 2022

New cushions for flybridge outdoor furniture - Oct 2022

New air conditioning Nov 2022

A/C duct work all replaced - Dec 2021

New sunshade and S/S stantions on flybridge deck

All spare parts aboard convey 

Vessel Features


Cherry Wood (Makore) Interior

Burl wood inlay in selected areas

Carpet and padding in selected areas

LED Lighting throughout

Rope lighting in selected areas

Push/Release type latches on cabinets and drawers

Custom blinds in salon and galley


Large hard wood table with compass rose inlay and custom cover

Aft deck is teak and so are walkways

Marquipt 6 step boarding stairs can mount port or starboard 

Whirlpool refrigerator under aft deck table

22" flip down LED TV

New aft deck and bow cushions with custom covers 

(2) High back multi position chairs

Day Head

Storage Cabinet

Port and starboard aft docking stations

Port and starboard transom doors to swim deck

Port and starboard boarding doors on aft deck

S/S swim ladder

Hot and cold transom shower


Pop Up 42" LED HDTV

LED Lighting with dimmer control

Bose surround sound system

Seiko signature animated clock

Built in wine cooler

Bose DVD/MP3/CD Stereo with speakers for cockpit, pilothouse and galley

Large L Shaped Settee to starboard with new upholstery

Large wood coffee table with burl top

Port side table with burl top

Two port side seats with new upholstery

Custom blinds in salon and galley


Granite countertop with oversized sink 31" x 20" 

Garbage Disposal

Granite floor

GE 20.7 cu ft refrigerator

GE Electric Cooktop

GE 27" Oven

GE Microwave/Convection oven 

Fisher Paykel Built In Dishwasher

Trash compactor removed and replaced with tall garbage can in cabinet

Three bar stools at peninsula galley bar

Galley exhaust blower

Aircraft Style Pilothouse Doors port and starboard 

Pop Up 32" LED HDTV 

Electric blinds on (3) forward windows

GFI outlets


King bed with drawers and storage under berth

New bedspread Oct 2022

Overhead decorative redwood burl ceiling treatment

Large double S/S portlights both port and starboard - (2) that open with screens


Pioneer AM/FM/DVD/CD Player and surround sound system

(4) Cedar lined hanging lockers

Bureau and vanity cabinet with seat

LED overhead lighting with dimmer controls

Rope lighting

Bosch Washer - currently being repaired 

Bosch Axxis Dryer


Stall shower is Corian with seat 

Corian countertop

Corian floor with drains

LED overhead lighting 

GFI outlets 

Exhaust fan

Opening S/S port light


Island queen berth with drawers and storage under berth

Cedar lined hanging locker 


Pioneer AM/FM Stereo DVD/CD player

LED overhead lighting with dimmer control

(2) Opening S/S port lights

(6) Cabinets

Overhead skylight with screen and blackout

Reading lights


FRP stall shower

Corian countertop

Corian floor

LED overhead lighting

GFI outlets

Exhaust fan

Opening S/S port lights


Side by side berths

Custom insert to form one oversized berth is in storage and available
upon request until date of closing. 

Built in 20" LED TV


Opening S/S port light

LED overhead lighting 

Cedar lined locker


Climate controlled

Hard windows forward with (3) windshield wipers and washers 

Hard sliding windows aft

EZ2CY port and starboard 

(2) Llebroc Helm Chairs

Seating with storage underneath

FRP Table 

30" flip down flat screen HD TV

AM/FM/CD Stereo

Oversized bridge deck for tender or water toys

Westminster Teak Outdoor furniture includes:

(2) Barbuda Captain Teak Steamer 4-position Chaise Lounges (new cushions Oct 2022)
(1) Cocktail side table
(1) Round Dining Table 
(4) Directors Chairs (new cushions added Oct 2022)

Interior and exterior steps to access flybridge

BBQ Grill

New S/S Stantions with manual sunshade

Flybridge wet bar with sink

U Line refrigerator was replaced with dedicated icemaker brand is Costway

1800lb UMT hydraulic davit with power lift and power rotate


Upper and lower bunks

Top bunk folds down to make a sofa

Hanging locker and drawers for storage

Reading light

Sharp 20" LED TV


Galley counter with sink and chest freezer

(2) bar stools at crew galley counter

Head and sink

Separate shower

Storage room

(3) Opening S/S port lights

Electrical Panel

Water tight aircraft style door at transom

Air Conditioning and Heat 


Hand laid solid fiberglass hull molded in one piece

Vinylester resin for first 5 layers of hull lay up

(2) Layers of Kevlar from chine to chine and (3) layers of Kevlar in the forward collision zone

Hull/deck joint thru boltes every 6", sealed with 3M 5200 sealant and glassed over with (3) layers of fiberglass

Longitudinal and transverse stringer system

Molded FRP rub rails capped with solid stainless steel trim rails

Molded non skid FRP decks

Interior structural components all properly bonded to the hull


Kohler 23kw/60hz generator with sound shield

Kohler 15.5kw/610hz generator with sound shield

(2) Shore power isolation transformers with ISO boost

(2) 75' Glendinning cablemaster

4kw Inverter

LED lighting 

Bonded electrical system

Engines and generators are 24V start


Vessel Systems

Hydraulic power steering powered from both engines

Trim Tabs SS-HD

Stabilizers - Wesmar 3 term-gyro 9sq ft fins

Thrusters - Wesmar hydraulic 33hp bow and stern thrusters 

ZF Electronic engine controls

JMS joystick maneuvering system - 3 stations 

Windlass Controls

Seafarer fire suppression panel

Tidal Wave by Headhunter is a compact sewage treatment plant that treats the waste on board. Odor free and approved to pump overboard at the push of a button. 


Isobel III has Garmin electronics that are touch screen models that include a GMI 10 Digital Depth Reader in the master stateroom as an anchor watch station. 

(2) GPS Map 7215

(1) RF Wireless Remote Control


(3) Video Cameras - 2 in engine room and 1 wide angle on aft deck

FLIR Night Vision Camera with wide angle lens

Depth and Speed Sensor

Sonar and Transducer

AIS Receiver AIS 300 with Transponder

AIS 600 Transceiver

(2) VHF Radio's

(1) GXM 51 Weather and Audio XM Satellite Receiver

SAT TV KVH Tracvision HD7

Engine Room and Mechanical

Twin Caterpillar C-18 ACERT "C" rated @ 930hp each 

2000 hour service completed 10/21

ZF Engine Controls

JMS joystick maneuvering system - 3 stations

Racor Dual 1000FG fuel filters for each engine

Underwater exhaust system with bypass to transom 

Tides Marine Dripless Packing Glands

Engine room insulation with Sound Down insulation 

Engine room air conditioning

Fiberglass exhaust mufflers

Stainless rudders and rudder posts

Rubber floor in engine room over fiberglass panels

Color coded fuel lines, water lines and hydraulic fluid lines

120v freshwater pump and 24v water pump as a back up

Seacocks and sea strainers on engine raw water intake

20 gallon water heater

Engine room LED lighting

High water bilge alarm

Fresh water outlet

Automatic fire doors on air intakes 

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.

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