Bodysurfing Handboard Guide - Size, Shape, and How to Choose

The illustration above shows the physics of the human hydrofoil, the bodysurfer, in motion. Lift force, drag, and the lift-to-drag ratio all directly affect how a handboard performs. Understanding these forces separates a well-chosen handboard from one that works against you.

Choosing the right bodysurfing handboard starts with understanding size, shape, and how they interact with your body and the waves you surf. This guide covers each factor clearly so you can make an informed decision before you buy.

Bodyboarders and Surfers Know What's Best

Bodyboarders and surfers select a board's length, width, and volume based on their height and weight. They understand how length, width, rails, thickness, and materials affect performance in real surf conditions. The same principle applies directly to bodysurfers choosing a handboard.

It's No Different for a Bodysurfer

Since the late 1980s, we've tested the relationship between a rider's body area and handboard surface area extensively in real surf conditions.

The right handboard size for a bodysurfer's height and weight should be just over the size of your hand, up to a maximum of two-and-a-half times the length and two-and-a-half times the width.

For example, at 170cm and 70kg, and observing bodysurfing friends at 180cm and between 80-90kg, handboards twice the length and width of the hand consistently provide the best combination of lifting force, speed, and control.

This is practical, tested advice grounded in decades of real water experience across shaping and testing.

The Best Shape for a Bodysurfing Handboard

With the wide range of handboard shapes now available, understanding which shapes work is essential before deciding.

The best shapes are elliptical or oval (surfboard outline shapes) and rounded rectangles (snowboard or skateboard shapes). These shapes maximise usable surface area for the fastest body lift out of the water, reducing drag and improving planing efficiency.

Handboards with cut-out tail shapes, such as crescent tails, fishtails and similar designs, lose surface area and volume through those tail cuts. Less surface area means less lift. These tail shapes also direct fluid density to splay outward, spraying water toward your face. The result is reduced forward vision, less directional control, reduced lift, and lower speed. A board with a cut-out tail would need a larger overall footprint to compensate for that lost surface area, which defeats the design's purpose.

Surface Area and Water Contact

A larger planing surface can provide more hydrodynamic lift, but additional surface area does not automatically reduce resistance.

The amount of the board in contact with the water changes with speed, running angle, and the load applied through the hand. More wetted area can increase frictional resistance, while raising the board's running angle too far can also increase resistance.

The goal is to choose enough usable planing area to support body positioning without adding unnecessary drag or making the board difficult to swim with.

This is why handboard size must be considered alongside shape, balance and rider control.

Proven Hand and Strap Position

Hand position on a handboard directly affects performance and control. This has been researched and tested since the late 1980s through shaping and water testing across a wide range of conditions.

Testing showed that placing your hand in the middle of the board tends to reduce control. Boards with the hand placed further forward tend to nose-drive, with the front of the board digging in, or, for a better description, driving and altering the board's running angle into the water surface rather than planing across it.

The best hand position is off-centre toward the rear of the board. This is consistent with the hydrodynamics of planing hull surfaces and the centre of pressure on a planing surface. The illustrations below show this positioning clearly.

Why the Centre of Pressure Matters

A handboard is supported by pressure from water moving against its underside. The combined force acts through what is known as the centre of pressure, which changes with the board's running angle, wetted surface and speed.

Research into planing surfaces by naval architect Allan B. Murray established the relationship between centre of pressure, trim angle and resistance.

POD's testing identified the importance of positioning the hand above the keel fin, where the rider can control the board's running angle through small changes in hand pressure. Tilting the board rearward increases resistance and can slow or stall its forward movement. A slight forward adjustment reduces that resistance and allows the rider to maintain or increase speed on the wave.

This is why hand and strap positioning matter. They give the rider direct control over the board's running angle, helping maintain lift, balance and efficient planing.

Hydrodynamics of a Planing Hull - Centre of Pressure

Reference: Allan B. Murray, The Hydrodynamics of Planing Hulls, presented to the New England Section of the Society of Naval Architects and Marine Engineers, February 1950. See Figures 7, 10 and 11.

For a deeper understanding of how these forces interact with your body position on the wave, read Bodysurfing Speed - The Missing Link Most Riders Miss.

Convex Deck and Concave Bottom

Before selecting a handboard size, the deck and bottom configuration matter as much as the dimensions.

• Convex deck: Provides comfort in the palm of the hand. A flat deck surface strains the hand and arm muscles throughout a session. The convex shape holds your hand in position and prevents it from slipping out from under the strap. Riders on the Original Classic asked for more support under the palm. POD's ergonomic palm support, a first for the POD range, grew from that request and builds on what the convex deck started.
• Concave bottom: Generates optimum lift, speed, and directional control in the surf. The concave channel creates a high-velocity Venturi Effect, mixing water and air through the channel to form an aerated cushion that reduces skin-friction drag and generates dynamic lift. No spray on the face is a direct result of this shape working correctly.

For the full physics explanation of how the concave and keel work together to generate lift, read The Invisible Cushion - Why Handboards Fail vs Physics-First.

POD Handboards - Flow Velocity Built for Bodysurfing

The POD handboard signature shape combines a concave bottom and keel fin surface area with air-water interaction to generate instant lift, speed, and control. This isn't a marketing position; it's the result of decades of testing the same physics principles in real surf conditions.

POD's testing found that the concave and keel fins work together, rather than independently. Removing the keel fins while retaining the concave noticeably reduced lift and directional control, increased resistance, and made water displacement less effective. Refining the keel and concave geometry together helped maintain the board's planing response, with their proportions adjusted to suit each board's length and width.

Neutral Buoyancy - Why It Matters

A neutral buoyancy handboard is natural to swim with. It offers paddle freedom and comfort through effortless strokes as you cut through the water without adding extra load to your shoulder.

An overly buoyant handboard creates problems immediately. It makes it difficult to cut through the water's surface while swimming. It adds load to the hand, wrist, arm, and shoulder, and twists your body to one side with each stroke. That's not bodysurfing; it's fighting your own equipment.

Buoyancy, volume, and surface area work together:

• A smaller handboard provides less lift
• A larger board with more volume and surface area can provide greater lift, but the effect on drag depends on its shape, running angle and wetted surface.
• If it's too large, you can't swim efficiently to the break or catch waves cleanly.

The handboard size needs to match your height and weight to achieve the right balance between lift and swimability. If it's too small, you won't get the lift and speed needed for real performance. Too large, and the board becomes an obstacle rather than a tool.

Boards larger than three times the rider's hand length and width, with thickness over 40 to 60 mm, are closer in size to a swim kickboard or training board. Some are as large as a small bodyboard. Boards manufactured with the same materials as bodyboards are over-buoyant and not suited to bodysurfing. Even for an experienced swimmer, paddling with a board that size and with that buoyancy is physically difficult and quickly discouraging.

A board that forces you to kick your legs like a training board rather than swim naturally is not a bodysurfing handboard. It's a different piece of equipment being sold under the wrong name. There are also real safety considerations: an oversized, over-buoyant board in surf conditions poses an injury risk to the rider and others nearby.

Before You Buy a Bodysurfing Handboard

Take the time to research the full range of bodysurfing brands and individual shapers available before deciding. The market has expanded significantly, and not all handboards are designed around the physics that actually govern performance in the surf.

Find the size that suits your height and weight. The right board lets you swim to the break without strain and adds lift to what your hand already provides on every wave.

Your five priorities when selecting a handboard:

• Surface area - matched to your body size
• Volume - enough for lift without over-buoyancy
• Convex deck - palm comfort and hand position stability
• Concave bottom - dynamic lift, speed, and directional control
• Neutral buoyancy - natural swimming without added load

These five factors together determine whether a handboard delivers comfort, lift, speed, and control or works against you from the moment you paddle out.

For more on bodysurfing technique with and without a handboard, read Body Surfing With or Without a Board - What Actually Makes the Difference.

For guidance on choosing the right swim fins to complement your handboard, read How to Choose the Right Swim Fin and Why.

Know the Physics. Choose the Board.

Size, shape, buoyancy, deck configuration, and bottom contour all determine how a handboard performs in real surf. Getting these right means the board works with your body and the wave, not against both.

A well-chosen handboard becomes part of your movement in the water. You stop thinking about the board and put your attention on the wave.

That's what decades of ocean testing look like when they're built into a board.

The POD Range

These principles are built into every board in the range. The EGO is 9", the WOO is 12", and the FLO is 15", all cedar and walnut. The WOW is the 13" polyurethane model, 18% to 28% lighter than timber at the same volume. See the full POD Handboard range to match size and material to your height, weight, and conditions.