Request a vessel
The Great White jacked up beside an oil platform in the Gulf at dusk, deck lights on

Largest Fleet of Liftboats

All Coast owns and operates the largest liftboat fleet for offshore oil and gas in the Gulf of America.

4 liftboats · up to 185 ft · 175 t cranes
The Great White jacked up in the Gulf of America at dusk, hull clear of the water

The Great White, jacking up

  1. Works in up to 185 feet of water.
  2. 231 feet from pad to deck.
  3. Two 175-ton cranes on 120-foot booms.
  4. 8,778 square feet of deck.
  5. Berths for 50 on board.

No other company can match
our capacity or service.

Request a vessel

Great White · Class 250 · Gulf of America

The Great White jacked up beside a platform in open water
Jacked up beside a platform
Cranes and deck lit at night beside a platform
Working through the night
The Great White jacked up on its three legs beside a platform, cranes raised
Legs down, deck up

Quality service, reliability and incident-free operations.

Crew in hard hats and high-visibility coveralls on the Great White's open deck

Committed to incident-free operations.

  • The largest fleet

    Liftboats from Class 105 to Class 250, the largest fleet in the Gulf of America.

  • The newest liftboat

    The Class 250 Great White, the newest liftboat in the Gulf of America.

  • Award-winning safety

    Ship Operator of the Year and the Lloyd’s List North America Safety Award.

  • Crewed for the job

    Standard crews of three to eight on 12- or 24-hour navigation schedules, adjusted to your job.

The fleet in
three sizes

From the Class 250 Great White down to our Class 130 boats, match your job’s water depth, crane lift, deck space and berths to a vessel.

Every liftboat
in the fleet

All 27 vessels, Class 105 to Class 250. Filter by size, compare jacking limits, cranes and deck, and download any vessel’s spec sheet.

VesselClassMax water depthMax working heightBerthsPort craneStarboard craneTotal deck areaStandard crewSpec sheet
Great White250185 ft231 ft50175 t / 120 ft175 t / 120 ft8,778 ft²8, 24 hrsPDF
Caitlin235180 ft222 ft42150 t / 100 ft40 t / 90 ft7,600 ft²5, 24 hrsPDF
Paul235180 ft222 ft42150 t / 100 ft40 t / 90 ft7,600 ft²5, 24 hrsPDF
Man O War230180 ft214 ft36100 t / 100 ft25 t / 70 ft5,821 ft²5, 24 hrsPDF
Swordfish190153 ft179 ft29100 t / 100 ft25 t / 70 ft4,345 ft²5, 24 hrsPDF
Leatherjack175130 ft155 ft29100 t / 100 ft8 t / 60 ft3,792 ft²5, 24 hrsPDF
Manta Ray150100 ft125 ft2970 t / 80 ft35 t / 70 ft2,754 ft²4, 24 hrsPDF
Seabass150100 ft125 ft3235 t / 70 ft35 t / 70 ft3,120 ft²4, 24 hrsPDF
Redfish145100 ft128 ft—50 t / 100 ft15 t / 60 ft2,600 ft²4, 24 hrsPDF
Albacore13090 ft114 ft2410 t / 50 ft45 t / 70 ft2,505 ft²4, 24 hrsPDF
Moray13070 ft117 ft2745 t / 80 ft5 t / 50 ft2,288 ft²4, 24 hrsPDF
Pompano13094 ft114 ft2740 t / 80 ft10 t / 50 ft2,338 ft²4, 24 hrsPDF
Rockfish13085 ft112 ft2425 t / 73 ft10 t / 60 ft2,592 ft²3, 12 hrsPDF
Sailfish13090 ft114 ft2325 t / 73 ft10 t / 50 ft2,604 ft²4, 24 hrsPDF
Sandshark13070 ft117 ft2740 t / 70 ft10 t / 60 ft2,477 ft²4, 24 hrsPDF
Stingray13090 ft117 ft2115 t / 70 ft35 t / 70 ft2,159 ft²3, 12 hrsPDF
Triggerfish13070 ft114 ft2940 t / 70 ft10 t / 50 ft2,362 ft²4, 24 hrsPDF
Gar12082 ft106 ft2115 t / 70 ft25 t / 80 ft2,256 ft²3, 12 hrsPDF
Grouper12080 ft106 ft2125 t / 70 ft12.5 t / 70 ft2,117 ft²3, 12 hrsPDF
Barracuda12080 ft106 ft2215 t / 70 ft30 t / 70 ft2,256 ft²3, 12 hrsPDF
Carp10570 ft93 ft2215 t / 70 ft15 t / 60 ft2,234 ft²3, 12 hrsPDF
Cobia10578 ft93 ft1415 t / 70 ft30 t / 70 ft1,751 ft²3, 12 hrsPDF
Dolphin10570 ft93 ft2115 t / 70 ft25 t / 70 ft1,751 ft²3, 12 hrsPDF
Herring10570 ft93 ft2115 t / 70 ft25 t / 70 ft1,935 ft²3, 12 hrsPDF
Jackfish10570 ft93 ft2115 t / 70 ft10 t / 50 ft2,150 ft²3, 12 hrsPDF
Marlin10570 ft93 ft2115 t / 70 ft3 t / 45 ft1,751 ft²3, 12 hrsPDF
Tarpon10570 ft93 ft2115 t / 70 ft25 t / 70 ft1,872 ft²3, 12 hrsPDF

Cranes: load in tons / boom length. Standard crew hours refer to periods of navigation and can be adjusted.

Great White

Our Class 250 flagship and the newest liftboat in the Gulf of America, with the deck, cranes and quarters for the largest jobs in the fleet.

Great White, 3D render of the jacked-up liftboatGreat White outboard profile drawing

The vessel, in brief

The Great White was built by SEMCO in 2015 and stands on three 250-foot legs. It works in up to 185 feet of water and raises its deck as high as 231 feet from pad to deck. Two RAM 175-ton cranes on 120-foot lattice booms reach across 8,778 square feet of deck, and the quarters sleep 50.

Great White · dockside at dusk
Great White · dockside at dusk
Cranes working at night
Cranes working at night
  • Newest in the Gulf

    Built by SEMCO in 2015, the newest liftboat in the Gulf of America.

  • Heavy deck load

    Up to 800,000 lb on deck, with 6,262 sq ft of clear deck.

  • Fresh water on board

    A 5,000 gal/day watermaker and 41,200 gal of potable water.

  • Zero discharge

    USCG inspected, zero discharge, home port New Orleans.

Ready for the heaviest lifts

Both cranes are tower-mounted RAM 175KLRP-120s, rated for 350,000 lb onboard out to 45 feet of boom radius. Choose a tab for the cranes, deck and quarters.

Class
250 ft liftboat
Max working water depth
185 ft
Min working water depth
11 ft
Max pad to deck
231 ft
Estimated speed
5 knots
Main engines
Cummins QSK 38, 2,600 hp
Year built
2015, SEMCO

Caitlin & Paul

Two Class 235 sister ships for deep-water work, each with a 150-ton crane and one of the largest open decks in the fleet.

Caitlin & Paul, 3D render of the jacked-up liftboatCaitlin & Paul outboard profile drawing

The vessel, in brief

Caitlin and Paul were both built to the same design by Rodriguez Shipbuilding in 2009. Each works in up to 180 feet of water with 222 feet from pad to deck, carries a 150-ton Nautilus crane on a 100-foot boom with a 40-ton telescopic crane beside it, and offers 7,600 square feet of clear deck with berths for 42.

  • Two of a kind

    Sister ships with the same cranes, deck and quarters.

  • ABS classed

    Classed by ABS and documented by the USCG as an offshore supply vessel.

  • Bow thruster

    A 300 hp bow thruster for positioning.

  • Six knots

    Twin Caterpillar C32 mains for an estimated 6 knots.

Deep water, wide deck

The main crane is a Nautilus 1100L rated for 330,000 lb onboard at 24 feet of radius, with an auxiliary hoist rated for 20,000 lb at all radii.

Class
235 ft liftboat
Max working water depth
180 ft
Min working water depth
12 ft
Max pad to deck
222 ft
Estimated speed
6 knots
Classification
ABS
Year built
2009, Rodriguez Shipbuilding

Sailfish

One of eight Class 130 liftboats in the fleet, sized for shallower water, with two cranes and berths for 23.

Sailfish, 3D render of the jacked-up liftboatSailfish outboard profile drawing

The vessel, in brief

Sailfish jacks up in as little as 7 feet of water and works in up to 90 feet, with 114 feet from pad to deck. A 25-ton SeaTrax crane on a 73-foot boom and a 10-ton EBI crane work over 2,604 square feet of deck. Its Class 130 sisters are Albacore, Moray, Pompano, Rockfish, Sandshark, Stingray and Triggerfish.

  • Shallow water

    Works in as little as 7 feet of water.

  • Two cranes

    A 25-ton SeaTrax and a 10-ton EBI crane.

  • Deck load

    Up to 137,000 lb on 1,436 sq ft of clear deck.

  • Eight in the class

    Seven Class 130 sister boats in the same fleet.

Sized for shallower jobs

The SeaTrax crane is rated for 50,000 lb onboard out to 20 feet of radius, with a fast line rated for 12,420 lb up to 65 feet.

Class
130 ft liftboat
Max working water depth
90 ft
Min working water depth
7 ft
Max pad to deck
114 ft
Estimated speed
5 knots
Main engines
GM 12V71, 800 hp
Year built
1982, Crown Point

Management team

All Coast’s foundation is a management team highly skilled in every segment of the industry.

John T. Nesser III

Co-CEO and Manager

  • Over 40 years in the oil and gas, engineering and construction, and maritime industries.
  • Former Executive Vice President and Chief Operating Officer of McDermott International.
  • Member of the Board of Directors, Thermon Group Holdings.

John Powers

Co-CEO and Manager

  • Over 40 years in oil and gas, engineering and energy, in leadership roles since 1973.
  • Founded Power Offshore Services, the leading Gulf liftboat operator before its 2001 sale to Superior Energy Services.
  • President of Semco, LLC, which has designed and built over half of the world’s largest (over 250 ft) liftboats.

Byron P. Allemand

President and COO

  • Former Managing Director of Hercules Offshore’s Gulf liftboat operations.
  • Eight years in vessel operations and construction at Bollinger Shipyards.
  • Has led All Coast to Ship Operator of the Year and the Lloyd’s List North America Safety Award.

Work offshore with All Coast

All Coast team on a liftboat deck beside a crane

We crew a fleet of liftboats working across the Gulf of America. Apply online and tell us about your experience, including your TWIC card and Merchant Mariner Document if you hold them.

Request a vessel

Tell us your water depth, crane lift, deck space and berths, and we’ll match a liftboat to the job.

All Coast, LLC · PO Box 10004, New Iberia, LA 70562Phone 337.560.8000 · Fax 337.560.8020