Mantus Anchors

M2 Galvanized & Stainless

Mantus M2 anchors for cruisers who want fast setting, strong holding, and a roll-bar-free fit on the bow.

Use the guide below as a starting point, then confirm the detailed day, cruising, and storm sizing table on each product page. If your boat sits between recommendations, size up after checking bow roller clearance and total ground-tackle fit.

Boat weight and windage Heavy displacement, cats, tall cabins, towers, and canvas can push you toward the next size.
Where you anchor Open roadsteads, current, soft mud, grass, or storm use call for more margin than protected lunch stops.
Bow roller and rode Confirm roller clearance, shank fit, chain size, snubber or bridle setup, and storage before ordering.

Choose by boat size

Length is only the first pass. Use the boat examples to narrow the range, then adjust for displacement, windage, bottom type, and how exposed your usual anchorages are.

Typical boatsStarting rangeBefore you choose
Dinghies and tendersInflatable tenders, beach boats, small skiffs
Dinghy kitCompact backup or tender anchor; not a substitute for a main cruising anchor.
Small sailboats and trailer boatsDaysailers, pocket cruisers, light powerboats to about 20 ft
8-13 lb M2Best for lighter boats and protected water. Size up for heavier cabins or frequent overnight use.
Pocket cruisers and 20-30 ft boatsSmall cruising sailboats, center consoles, compact pilothouse boats
17-25 lb M2Check roller fit and chain size; choose the higher end for high windage or heavier displacement.
30-39 ft cruisersCoastal sailboats, express cruisers, compact trawlers
35-45 lb M2A common main-anchor range. Move up if you cruise exposed anchorages or carry a lot of canvas.
39-45 ft cruising boatsHeavier monohulls, smaller catamarans, mid-size trawlers
55-65 lb M2Displacement matters more here; verify bow roller clearance and windlass capacity.
45-60 ft offshore boatsOffshore cruisers, larger cats, passagemakers, fishing boats with towers
85-105 lb M2Choose for the conditions you actually anchor in, not just length. Rode, snubber, and bridle setup matter.
60-90 ft yachts and heavy catsLarge yachts, expedition-style cruisers, heavy multihulls
125-175 lb M2Plan around freight, deck handling, bow roller geometry, and storm anchoring margin.

Choose the finish

Official Mantus M2 galvanized anchor product image

Galvanized

Same M2 geometry and holding power at the best price. This is the working choice for most cruising boats and frequent anchoring.

Example fit: coastal cruisers, trawlers, fishing boats, and refits where value matters.
Official Mantus M2 stainless anchor product image

Stainless

316L fluke and 2205 duplex shank for corrosion resistance and a polished bow presentation.

Example fit: saltwater cruisers, premium bow setups, and boats with stainless ground tackle.

Rig it right

Pair the anchor with the right rode, snubber or bridle, and bow hardware. A Mantus M3 chain hook, bridle, or swivel can matter as much as the anchor choice. Large anchors may need a freight quote.