The requested vessel with name MARIMAR and MMSI:345881122 and IMO:0 is temporary not in our database.
Perhaps you mean one of the following ships:

Vessel name IMO MMSI In range Destination Last report
MARIMAR IV N/A 269104620 Feb 10, 2018 21:40 UTC

Also, you may try to find the vessel in our comprehensive Vessels Database or track this ship on the map.