Question Fair price for used Poseidon Seven

[IslandKraut]

More importantly can you get training and service on the unit?

That actually is not a problem on the island. The 3-day Seven Rec course runs $1000, with $500 boat fee and another $500 for the unit rent which wouldn't be needed once had one (and serviced it of course)

 

[Blubberschlumpf]

Serial No. from Se7en starts with 10XXX and 7+ with 30XXX