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Poseidon 620 Workboat vs Poseidon King Fisher

The Poseidon 620 Workboat is 50cm (1.5ft) longer.

Last reviewed 13 September 2026

Poseidon 620 Workboat
Poseidon 620 Workboat - image: Boatsmart
Poseidon King Fisher
Poseidon King Fisher - image: Boatsmart

Key differences

Specifications side by side

Poseidon 620 WorkboatPoseidon King Fisher
Length6.20m5.70m (570) or 6.50m (650)
Beam2.50m2.40m (570) or 2.45m (650)
Weight630 kg900kg (570) or 1,250kg (650)
Passengers117 (570) or 8 (650)
Horsepower30-150 HP-
Max engine power-115hp (570) or 250hp (650)
Fuel tank-100 litres (570) or 150 litres (650)

Sources: Poseidon 620 Workboat, Poseidon King Fisher. Figures vary by model year and options, so check with the supplier before you commit.

Buy or hire the 620 Workboat if...

  • you want one that is 50cm (1.5ft) longer

A small open workboat used for harbour work, diving support and general marine tasks, sold through UK boat dealers rather than direct from the builder.

Listed by

Full 620 Workboat specifications →

Buy or hire the King Fisher if...

A Greek-built open day boat sold in the UK in two hull lengths, aimed at sea fishing and family boating rather than watersports. Its modest beam and outboard power suit coastal charter and self-drive hire rather than offshore cruising.

Listed by

Full King Fisher specifications →

Common questions

What is the difference between the Poseidon 620 Workboat and the Poseidon King Fisher?

The Poseidon 620 Workboat is 50cm (1.5ft) longer. The Poseidon 620 Workboat is a small aluminium workboat; the Poseidon King Fisher is a open sports and fishing boat, sold in two lengths.

GetBrent is an independent directory and is not a dealer for, nor affiliated with, either manufacturer. Model and brand names are the trademarks of their owners.