A person in a wetsuit prepares to wakeboard from a boat on a sunny, reflective lake near a forested hillside.

Semi Custom Sacs Search by model

Want a more customized FatSac ballast bag for your boat to make a more enjoyable day on the water then search our semi-custom list using your boat's year, make, and model. See below to enhance your wakeboarding and wakesurfing day on the water.
PROUDLY MADE IN THE U.S.A.

CUSTOM & SEMI-CUSTOM SERIES

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Year

Make

Model

Gray AXIS WAKE PNP Bow Sac Factory 2nd, perfect A shape for Plug and Play use.

AXIS WAKE PNP BOW SAC (W027-1)

$545.99
$545.99
$545.99
Gray AXIS WAKE PNP BOW SAC (W029-1) inflatable buoy, horseshoe-shaped for Axis Boats.

AXIS WAKE PNP BOW SAC (W029-1)

$531.99
$531.99
$531.99
AXIS WAKE PNP BOW SAC, triangle inflatable bag, light gray, logos & Plug and Play valves.

AXIS WAKE PNP BOW SAC (W026-1)

$517.99
$517.99
$517.99
Gray triangular inflatable buoy with AXIS WAKE PNP BOW SAC logo and air release plug.

AXIS WAKE PNP BOW SAC (W028-1)

$503.99
$503.99
$503.99
Two grey inflatable Malibu M242 Sac Kits with valves, ideal for ballast.

Malibu M242 Rear 500 pound Sac Kit (W025-250-KIT)

$776.99
$776.99
$776.99
Gray 400lb PNP Rear Sac W025-400-AVO for Malibu & Axis with bottom valve.

MALIBU & AXIS PNP REAR SAC 400 POUNDS (W025-400-AVO)

From $361.99
From $361.99
$361.99
OEM Malibu/Axis PNP rear sac on a white surface.

MALIBU / AXIS PNP REAR SAC 550 POUNDS EACH (W025-550-AVO)

From $377.99
From $377.99
$377.99
AXIS PNP REAR SAC 750 lbs inflatable bag with valve and logos (W025-750-AVO).

AXIS PNP REAR SAC 750 pounds ( W025-750-AVO)

From $371.69
From $371.69
$371.69
AXIS PNP gray rear ballast bag, 900 lbs, with quick connect fittings and logo.

AXIS PNP REAR SAC, 900 POUNDS EACH (W025-900-AVO)

From $447.99
From $447.99
$447.99
Two MALIBU PNP REAR SACS with brand logos.

MALIBU PNP REAR SACS STOCK MOTOR CAPACITY (W022-300-AVO-KIT)

$832.99
$832.99
$832.99
Two gray Malibu PNP rear sacs, 400 lbs each, for wake surfing.

MALIBU PNP REAR SACS 400 POUNDERS EACH (W022-400-AVO-KIT)

$844.99
$844.99
$844.99
Two gray Malibu PNP Rear Sacs, 1,140 lbs total, labeled PORT & STB.

MALIBU PNP REAR SACS PORT & STB, 1,140 POUNDS TOTAL (W022-570-AVO-KIT-AXI)

$879.99
$879.99
$879.99
Two MALIBU PNP REAR SACS, 650 lbs each, in gray with FRONT and QC fittings at the base.

MALIBU PNP REAR SACS PORT & STB, MAXIMUM CAPACITY 650 POUNDS EACH, (W022-650-AVO-KIT)

$921.99
$921.99
$921.99
Gray MALIBU PNP Rear Sacs, 550 lbs each, with logo, valve and rear bags.

MALIBU PNP REAR SACS, 550 POUNDS EACH, (GETS 1-1/8" QC FITTINGS) (W024-550-AVO)

From $442.99
From $442.99
$442.99
Gray outdoor air bag, 2 sacs, air release plug. MALIBU PNP REAR SACS (750 lbs each).

MALIBU PNP REAR SACS, 750 POUNDS EACH (W024-750-AVO)

From $460.99
From $460.99
$460.99
Gray inflatable bow arrow sac with text, logo, and AXIS WAKE PNP markings.

AXIS WAKE PNP BOW ARROW SAC, 950 POUNDS (W031-1)

$503.99
$503.99
$503.99
Gray AXIS WAKE PNP Bow Arrow Sac, 950 lbs, with valve & quick connect fittings.

AXIS WAKE PNP BOW ARROW SAC, 950 POUNDS (W031)

$503.99
$503.99
$503.99
Gray Malibu inflatable bag, 250 lbs, 2 black nozzles, and 1-1/8 QC sleek fittings.

MALIBU PNP REAR SAC, 250 POUNDS, (GETS 1-1/8" QC FITTINGS) (W039-1)

$377.99
$377.99
$377.99
AXIS WAKE PNP Rear Sac, 400 lbs, with 1-1/8 QC fittings (W038-1), showcased elegantly.

AXIS WAKE PNP REAR SAC, 400 POUNDS, (GETS 1-1/8" QC FITTINGS) (W038-1)

$336.99
$336.99
$336.99
Gray inflatable MALIBU PNP REAR SAC with fittings and two black nozzles.

MALIBU PNP REAR SAC, 550 POUNDS, (GETS 1-1/8" QC FITTINGS) (W034-1)

$391.99
$391.99
$391.99
Rectangular MALIBU/AXIS PNP REAR SAC with 2 top valves and PNP fittings.

MALIBU / AXIS PNP REAR SAC, 750 POUNDS, (GETS 1-1/8" FITTINGS) (W037-1)

$377.99
$377.99
$377.99
Silver Malibu/Axis PNP rear sac, 1,100 lbs capacity with multiple valves (W036-1).

MALIBU / AXIS PNP REAR SAC, 1100 POUNDS, (GETS 1-1/8" FITTINGS) (W036-1)

$412.99
$412.99
$412.99
AXIS WAKE REAR PNP SAC, 400 lb with logo, valves, & quick connect fittings.

AXIS WAKE REAR PNP SAC, 400 POUNDS (W030)

$363.99
$363.99
$363.99
Silver rectangular AXIS WAKE PNP REAR SAC with 3/4 fittings and visible valves.

AXIS WAKE PNP REAR SAC, 750 POUNDS (W032)

$377.99
$377.99
$377.99
Gray triangular Chaparral Vortex 24/22 Rear Seat Deck Sac (C1436) with multiple valves.

Chaparral Vortex 24'/22' model Rear Seat Deck Sac (C1436)

$458.99
$458.99
$458.99
Silver inflatable Fat Sac with multiple valves for 19 Yamaha Jet Boats swim deck.

YAMAHA JET BOATS 19' MODEL (C1062)

$630.99
$630.99
$630.99
Gray Fatsac ballast bag with logo, ideal for Yamaha Jet Boats 21 Model and water sports.

YAMAHA JET BOATS 21' MODEL (C1046)

$608.99
$608.99
$608.99
Gray inflatable ballast bag, black valves branded for YAMAHA JET BOATS 24 MODEL (C1039).

YAMAHA JET BOATS 24' MODEL (C1039)

$675.99
$675.99
$574.29
Gray Yamaha Swim-Deck Sac C1304 with black handles and logos for ballast.

Yamaha 25' & 22' Model Swim-Deck Sac (C1304)

$649.99
$649.99
$649.99
27 Yamaha Swim Deck Bag (C1326) in gray with black valves and text.

Yamaha 27' Model Swim Deck Bag (C1326)

$659.99
$659.99
$659.99
Gray Tige 84 Custom Portside Surf Sac with rounded sections, black nozzles on top.

Tige 84" Custom Portside Surf Sac 1000 lbs. (W005-P)

$648.99
$648.99
$648.99
Tige 84 Custom Starboard Surf Sac 1000 lbs. with comfort-enhancing design.

Tige 84" Custom Starboard Surf Sac 1000 lbs. (W005-STB)

$648.99
$648.99
$648.99
Gray Tige 59 Surf Sac, geometric shape on black, Body 31x24x20.

Tige 59" Custom Starboard Surf Sac 800 lbs. (W004-STB)

$504.99
$504.99
$504.99
Gray Tige 59 Custom Portside Surf Sac with black valves; fittings not included.

Tige 59" Custom Portside Surf Sac 800 lbs. (W004-P)

$504.99
$504.99
$504.99
Gray Tige PNP FatSac kit RZX3 bag, two valves, fits STB sacs.

Tige PNP rear FatSac kit RZX3 (W502)

$838.99
$838.99
$755.99
Tige PNP RZX2 (W503) gray FatSac with 2 nozzles, ideal for Rear Port sacs/hose extensions.

Tige PNP rear FatSac kit RZX2 (W503)

$873.99
$873.99
$787.49
Diagram comparing two Super Air Nautique layout options, showing vents, tanks, and pump spots.

Super Air Nautique Additional Fat Sac Ballast System (W760)

$1,811.99
$1,811.99
$1,811.99
Layout diagram comparing Nautique 2800lb ballast system tanks, vents, and parts.

Nautique 2800lb. Upgrade ballast system (W761)

$2,039.99
$2,039.99
$2,039.99
Boat hull plans diagram with Nautique 2100lb upgrade ballast, vents, tanks & autofill setup.

Nautique 2100lb. Upgrade ballast system (w762)

$1,934.99
$1,934.99
$1,934.99
Gray inflatable Arrow Sac, 650 lbs, ideal for your Super Air Nautique.

Super Air Nautique Center Locker Arrow Sac 650 lbs. (W721)

$554.99
$554.99
$554.99
Nautique 600lb PNP rear bag with FATSAC logo, ideal for water sports.

Nautique upgrade 600lb. PNP rear bag (O1701-PNP)

$356.99
$356.99
$356.99
Nautique 900lb. PNP rear bag (O1700-PNP) with valves and fittings for weighing down boats.

Nautique upgrade 900lb. PNP rear bag (O1700-PNP)

$427.99
$427.99
$347.29
Two Nautique Wedge Fat Sac gray ballast bags with nozzles, ideal for V-Drive boats.

Nautique Wedge Fat Sac (set) (W708)

$442.99
$442.99
$442.99
A gray Fly High ENZO inflatable lounge chair with a headrest and arm features.

Fly High ENZO Fat Sac 1350 LBS (W712)

$783.99
$783.99
$783.99
Rear Gravity Games sac (W841), white, with logo, 42x19x19 in., isolated.

Rear Gravity Games sac (W841)

$299.99
$299.99
$299.99
Ultimate Wake Surf Sac (W718), silver inflatable, V-shaped air bag, 1100LBS.

Ultimate Wake Surf Sac (W718)

$592.99
$592.99
$592.99
Gray, U-shaped inflatable Fat Seat ballast bag with logo.

Fat Seat (PATENTED) (W710)

$682.99
$682.99
$614.39
Centurion Ri257 Rear FatSac 1400 lbs kit, gray with PNP valves and 1 port.

Centurion Ri257 Rear FatSac kit 1400 pounds (W185)

$665.99
$665.99
$665.99
Gray Center Gravity Games Sac (W842) 88x19x19 inflatable bag with fittings.

Center Gravity Games Sac (W842)

$388.99
$388.99
$388.99
Supra SA Rear Sac (W892-1): Black inflatable with fittings, two small valves on black backdrop.

Supra SA Plug & Play Rear Sac (W892-1)

$696.99
$696.99
$696.99
Universal Tige PNP FatSac kit O5007, grey with black valves, isolated.

Universal Tige PNP FatSac kit (O5007)

$547.99
$547.99
$547.99
Boat layout diagram with labeled port, starboard, and Mastercraft X-STAR ballast system areas.

Mastercraft X-STAR Additional Ballast System 2500 lbs. (558031)

$1,999.99
$1,999.99
$1,999.99
Boat ballast system diagram with Mastercraft X-2 Additional Ballast and labeled pumps/vents.

Mastercraft X-2 Additional Ballast System 1600 lbs. (558032)

$1,999.99
$1,999.99
$1,999.99
Four gray inflatable seat cushion bags from the MasterCraft X-STAR Ballast Kit.

Mastercraft X-STAR Additional Ballast (W715)

From $277.99
From $277.99
$277.99
Silver, rectangular MASTERCRAFT water bag holds 450 lbs, ideal for NXT series.

MASTERCRAFT Universal Rear PNP Sac / 450 pounds each ) (O8700 PNP)

$356.99
$356.99
$356.99
Gray Mastercraft X-2 Bow Sac (W717) inflatable horseshoe ballast bag by FatSac.

Mastercraft X-2 Integrated Bow Sac (W717)

$548.99
$548.99
$548.99
Gray Mastercraft X-2 Rear Sac with black valve and logo on the side.

Mastercraft X-2 Rear Sac (W714)

$318.99
$318.99
$318.99
Inflatable Mastercraft X-STAR ballast bag with two black valves.

Mastercraft X-STAR Bow Walk-through Fat Sac (W752)

$345.99
$345.99
$345.99
Two MALIBU REAR 2025 M230 ballast bags with valves.

MALIBU REAR 2025 M230 PNP KIT (W021-150-KIT)

$654.99
$654.99
$654.99
Two gray inflatable FATSAC ballast bags, MALIBU MXZ24 PNP KIT for surfing.

MALIBU REAR 2025 MXZ24 PNP KIT (W022-430-KIT)

$654.99
$654.99
$654.99
Two large gray MALIBU REAR 2025 ballast bags with valves, ideal for surfing, on black.

MALIBU REAR 2025 25LSV PNP KIT (W020-400-KIT)

$754.99
$754.99
$754.99
OEM Malibu/Axis PNP rear sac on a white surface.

MALIBU / AXIS PNP REAR SAC FACTORY 2ND (W025-550-AVO-R)

$238.99
$238.99
$340.19
AXIS WAKE PNP BOW SAC, triangle inflatable bag, light gray, logos & Plug and Play valves.

AXIS WAKE PNP BOW SAC FACTORY 2ND (W026-1-R)

$326.99
$326.99
$466.19
Gray AXIS WAKE PNP Bow Sac Factory 2nd, perfect A shape for Plug and Play use.

AXIS WAKE PNP BOW SAC FACTORY 2ND (W027-1-R)

$343.99
$343.99
$491.39
Two Nautique Wedge Fat Sac gray ballast bags with nozzles, ideal for V-Drive boats.

Nautique Wedge Fat Sac (set) (W708-R) FACTORY 2ND

$279.99
$279.99
$399.99
Two MALIBU REAR 2025 M230 ballast bags with valves.

MALIBU REAR 2025 M230 PNP KIT FACTORY 2ND (W021-150-KIT-R)

$412.99
$412.99
$589.99

Semi Custom Sacs

Want a more customized FatSac ballast bag for your boat to make a more enjoyable day on the water then search our semi-custom list using your boat's year, make, and model. See below to enhance your wakeboarding and wakesurfing day on the water.