Anchors

Choosing the right anchor depends on your boat's size, the seabed conditions (sand, mud, or rock), and the weather you expect to encounter. Anchors are categorized by their design, with some built for maximum holding power in soft bottoms and others designed to "bite" into harder surfaces.

For Sand & Mud (Recreational Favorite)

Fluke (or Danforth) anchors are the most popular choice for recreational boaters. They have large, sharp flukes that bury themselves deep into soft bottoms, providing an incredible weight-to-holding-power ratio. They also fold flat, making them easy to store in an anchor locker.

• Best For: Sandy or muddy lake and ocean floors.

• Limitation: They can "skip" across rocky or heavily weeded bottoms without catching.

For Versatility (Cruising Standard)

Plow (or Delta) anchors are the workhorses of the cruising world. Their single-point design allows them to reset themselves if the wind or tide changes direction. They are generally heavier and more dependable in varying conditions than a fluke anchor.

• Best For: Sand, mud, and light grass; ideal for larger boats or overnight stays.

• Limitation: Their bulkier shape usually requires a bow roller for storage.

The "New Generation" (Maximum Safety)

Scoop (or Rocna/Mantus) anchors represent the latest in design. These feature a "roll bar" that ensures the anchor always lands at the perfect angle to dig in immediately. They are widely considered to have the highest holding power in the widest range of conditions, including hard clay and grass.

• Best For: Serious offshore cruising and maximum security in high winds.

For Small Craft & Kayaks

If you have a small dinghy, kayak, or PWC, you need something compact and easy to handle.

• Grapnel Anchors: Feature four folding tines. They are perfect for "hooking" onto rocks or debris but have very little holding power in sand.

• Mushroom Anchors: Use a rounded shape to create suction in soft silt. They have no sharp edges, making them safe for inflatable boats and "lunch hook" stops in calm water.

Anchor Selection Summary

How to Size Your Anchor:

A common rule of thumb is to have one pound of anchor weight for every foot of boat length (e.g., a 20lb anchor for a 20ft boat). However, modern high-efficiency anchors like the Rocna often allow you to use a lighter weight while maintaining superior hold.