Renken Boats by Renken by United Marine 2100 Boat Covers
Low Prices On Over 95,000 Quality Boat Covers


Choose A Boat Cover
Custom vs Semi-Custom
Outboard vs Sterndrive
Semi-Custom Fit Boat Covers
Semi-Custom covers are made by boat style to fit a variety of models

Westland Semi-Custom Covers
Made in 10 Business Days or less
- Fits: Euro Style V-Hull Runabout Boat 21' I/O
- Fits years: (Thru 1998)
Renken by United Marine 2100 Thru1998 Semi-Custom Boat Cover by Westland
- Available Fabrics
- Sharkskin Plus
- Sharkskin Supreme SD
- Sunbrella
- Price
- $327.59
- $392.39
- $588.59
Choose Cover
Fits Sterndrive Engine models
- Fits: Euro Cuddy Boat 21' I/O
- Fits years: (All Years)
Renken by United Marine 2100 Semi-Custom Boat Cover by Westland
- Available Fabrics
- Sharkskin Plus
- Sharkskin Supreme SD
- Sunbrella
- In-Stock Special Available!
- Price
- $383.39
- $472.49
- $711.89
- $79.99
Choose Cover
Fits Sterndrive Engine models

ENDURACover Semi-Custom Covers
Made in 7 Business Days or less
- Fits: V-Hull, Low Profile Cuddy Cabin Boat 21' I/O
- Fits years: (All Years)
Renken by United Marine 2100 Semi-Custom Boat Cover by ENDURACover
- Available Fabrics
- Supreme Aqua Shield
- Sunbrella
- Price
- $563.39
- $1035.89
Choose Cover
Fits Sterndrive Engine models
- Fits: Euro-style V-Hull Runabout Boat 21' I/O
- Fits years: (1979)
Renken by United Marine 2100 1979 Semi-Custom Boat Cover by ENDURACover
- Available Fabrics
- Supreme Aqua Shield
- Sunbrella
- Price
- $512.99
- $941.39
Choose Cover
Fits Sterndrive Engine models
- Material: 100% polyester
- Weight: 6.5 oz. polyester, 450 denier
- Warranty: 5 year limited warranty
- Material: 100% polyester
- Weight: Solution-dyed polyester, 600 denier
- Warranty: 7 year limited warranty
- Material: 100% acrylic
- Weight: 9.25 oz. marine acrylic
- Warranty: 10 year limited warranty
- Deep discount over standard Made-To-Order covers
- In-Stock Specials are Ready-To-Ship from the warehouse.
- Select "Choose Cover" to see fabric & color availability.
Ready-2-Ship & In-Stock Specials
- Deep discount over standard Made-To-Order covers
- Select "Choose Cover" to see fabric & color availability.
Limited Time Fabric Special
- Material: 100% Polyester
- Weight: 7 oz. solution-dyed Polyester, 600 denier
- Warranty: 7 year warranty
- Material: 100% acrylic
- Weight: 9.25 oz. marine acrylic
- Warranty: 10 year limited warranty
Custom Covers vs. Semi-Custom Covers

- Custom Boat Covers are patterned and tailored for the specific make, model, and year of the boat.
- Semi-Custom Boat Covers are made by boat style to fit a variety of models.
Engine Type & Boat Covers

- Outboard (O/B) - Removable engine mounted to the transom of the boat.
- Sterndrive or Inboard/Outdrive (I/O) - Permanent engine mounted on stern of boat with portion of engine (the outdrive) in the water.
- Inboard (I/B) - Permanent engine mounted in the center or stern of boat with only the propeller shaft exposed to water. Inboards should use the I/O cover.
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