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Palm Beach, Florida


The owner searched the east coast for two years before buying "Sea Senior". This elegant Custom Cockpit Motor Yacht. She is the best bang for the buck in her class. She is great for entertaining, living aboard or cruising. This yacht has the owner living space like that of a 100 footer. Flybridge deck has a four seat bar area with large seating aft. The galley has full size appliances and an induction cook top which is like cooking with gas but it's electric. King size bed in Master with walk-in closet w/ ensuite head and shower. Midship Queen VIP layout w/ ensuite head and shower. Froward is a Twin Bunk Stateroom w/ ensuite head and shower. Across from that stateroom, there is a mid-ship Day Head. All the  way forward in the bow stateroom are Over-Under Bunks w/ and ensuite head & shower. 

She is located in Palm Beach, Florida and is easy to show with 24 hours notice.

If you're looking for a wide body loaded cockpit motor yacht in this size, "Sea Senior" is a must-see! Check out her extensive upgrades form the past two years in her listing below.


Interglobal Yacht Sales is pleased to assist you in the purchase of this vessel. This boat is centrally listed by Woods & Associates Yacht Brokerage.

Basic Boat Info

Tax Status: Paid
Boat Name: Sea Señor
Make: Hatteras
Year: 1989
Condition: Used
Category: Power
Builder: Hatteras
Designer: John Hargrave
Construction: Fiberglass
Boat Hull ID: HATDL311H889
Has Hull ID: Yes


Length: 78 ft / 23.77 m
Length Overall: 78 ft / 23.77 m
Beam: 18'2 ft / 5.54 m
Max Draft: 5'5 ft / 1.65 m
Dry Weight: 108,000 lb
Electrical Circuit: 240 V
Double Berths: 2
Twin Berths: 4
Cabins Count: 4

Engines / Speed

Engines: 2
Engine #1 Specs:
  • Make: Detroit Diesel
  • Model: 12V92
  • Drive Type: Direct
  • Fuel: Diesel
  • Engine Power: 1,080hp
  • Type: Inboard
  • Propeller Type: 4 Blade, Alloy
  • Year: 1989
  • Engine Hours: 2398
Engine #2 Specs:
  • Make: Detroit Diesel
  • Model: 12V92
  • Drive Type: Direct
  • Fuel: Diesel
  • Engine Power: 1,080hp
  • Type: Inboard
  • Propeller Type: 4 Blade, Alloy
  • Year: 1989
  • Engine Hours: 2498
Total Engine Power: 2,160hp
Cruising Speed: 16 kn
Maximum Speed: 21 kn


Fuel Tanks: 1
Fuel Tank Capacity: 11,230 gal
Water Tanks: 1
Water Tank Capacity: 702 gal
Water Tank Material: GRP
Holding Tank Count: 1
Holding Tank Capacity: 210 gal
Holding Tank Material: GRP


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

Work Completed Between 1/2022 - 1/2023

 Work Completed Between 1/2022 - 1/2023

  • New B & G Radar and chart plotters Navigation (upper helm)
  • New exterior upholstery
  • New Refrigerator Flybridge deck
  • Recently serviced Flybridge ice maker
  • New galley refrigerator
  • New galley wine cooler
  • New wallpaper through-out
  • New carpet through-out
  • New dining set
  • New living room set
  • All new soft goods through-out
  • Full service completed August 2022 on engines and generators
  • September 2022 bottom painted
  • Boot stripe painted
  • Shaft repacking and alignment Oct. 2022
  • Propeller alignment and balancing Oct. 2022
  • Teak handrail revarnished February 2022
  • New dual HPAC recirculating pumps 2022
  • Main salon blinds replaced January 2023
  • Master stateroom bench and headband reupholstered
  • Master stateroom new headliner
  •  New washer and dryer February 2022
  • New garbage disposal February 2022
  • Galley new kitchen faucet February 2022
  •  Repainting of engines and flooring
  •  Reupholster of galley cushions and lower helm station bench seating
  • Galley countertops and backsplash refinished Feb. 2023
  • Interior was painted 2023


Accommodations & Other Features


  • Cored molded fiberglass decks w/non-skid
  • Safety lines: Stainless steel wire w/ viny lover + teak handrails & stainless steel stanchions
  • Stainless steel Bow pulpit
  • 60lb."Suncor"stainless steel Anchor
  • "Galley Maid" Windlass


  • Seating: Double helm chair, aft of helm to port and starboard.
  • Wet bar on center line aft of the helm
  • Operational "KitchenAid" lce maker
  • Tan Bimini Top
  • Stainless Steel Bimini Frame



  • Ritchie Compass
  • Robertson AP9MKIi Autopilot
  • Garmin 5212 72 mile Radar
  • Garmin 5212 GPS
  • Garmin 4208 GPS-Chart Plotter
  • Garmin VHF 100
  • Raymarine ST40 Depth finder
  • Speed log
  • Data Marine Wind gauge  

Upper Helm

  • Ritchie Compass
  • Robertson F200 remote Autopilot
  • Garmin 5212 72 mile
  • Garmin 5212 GPS
  • Garmin 4208 GPS-Chart Plotter
  • lcom IC-M506 VHF
  • Raymarine ST40 Depth finder
  • Speed log


  • Staterooms:4
  • Heads:4
  • Vinyl Ceilings
  • Carpeted floors

Audio Visual 

  • TVs: Sylvania, Magnavox, Dynex & Visio
  • DVD: Dynex, Samsung &Sony
  • Stereos: Fusion, Mitsubishi, Sony & Onkyo AV surround receiver


  • Four burner "Samsung" Induction Electric Stovetop
  • "Samsung "Electric Oven- Convection oven inside
  • "General Electric" Microwave
  • "General Electric "Refrigeration and Freezer
  • "Whirlpool" Dishwasher
  • "Water Makers Inc. "Water maker
  • "Whirlpool" stack type washer/dryer
  • Granite Galley counter


  • ZF Transmission
  • Four blade Nibral 38"x24"Propeller



Aft Gen:

  • Kohler 23EKOD2
  • Serial#: SGM32GJSS
  • 379 Hours
  • 22 Kilowatts

Forward Gen:

  • ONAN
  • 20.0MDL4-3R/30366B
  • Serial# L870947714
  • 652.5 Hours
  • 20 Kilowatts

Shore Power

  • 250ft 50AMP Power Cord
  • 225ft 50AMP Power Cord


  • Cruise Air Direct Expansion Type A/C
  • Reverse Cycle Heating

Fire Fighting and Safety Gear 

Fire Extinguisher & Bilge Pumps

  • 2x"Kidde"Fixed Fire System in Engine Room & Generator Space
  • Inspected April 2017
  • Manual release with pulls at wheelhouse helm
  • Operational Bilge Alarms

Life Jackets

  • Six Adult Type "II"
  • Four Adult Type "Ill"
  • One Life Ring


USCG Approved "Weems & Plath" SOS Distress Light Electronic Flare with Distress

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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