| ID | Lodge | Number | Warrant | Consecration | Hall | PostCode | Meet Day | Meeting Months | Installation |
| 1 | Eclectic Lodge of Royal Ark Mariners | 39 | 30/08/1920 | 23/09/1920 | Hartlepool (Raby Road) | TS24 8AH | First Monday | April, June, October and December | October |
| 2 | Stockton-on-Tees Lodge of Royal Ark Mariners | 122 | 28/07/1919 | 16/01/1920 | Stockton | TS18 1RD | Third Tuesday | January, March, September and November | January |
| 3 | Union Lodge of Royal Ark Mariners | 124 | 03/12/1897 | 27/01/1898 | Sunderland (Queen Street) | SR1 2HT | Second Wednesday | February, April, September and December | September |
| 4 | Darlington Lodge of Royal Ark Mariners | 250 | 01/03/1920 | 26/04/1920 | Darlington | DL3 6LS | Second Wednesday | February, April, October and December | April |
| 5 | Industry Lodge of Royal Ark Mariners | 293 | 01/11/1934 | 19/01/1935 | Dunston | NE11 9TJ | Third Tuesday | January, May and September | September |
| 6 | Dunelm Lodge of Royal Ark Mariners | 356 | 07/09/1978 | 04/11/1978 | Durham City | DH1 3HN | Second Wednesday | February, April, June and October | October |
| 7 | Rockcliffe Lodge of Royal Ark Mariners | 362 | 17/12/1923 | 30/01/1924 | South Shields (Ingham St) | NE33 2DQ | Third Friday | March, May, September and November | March |
| 8 | Bede Lodge of Royal Ark Mariners | 605 | 18/05/1921 | 29/07/1921 | Chester-le-Street | DH3 3DU | Fourth Tuesday | February, March, September and November | September |
| 9 | Hackworth Lodge of Royal Ark Mariners | 761 | 29/02/2000 | 29/02/2000 | Shildon | DL4 1NN | Third Monday | April, June, October and December | April |
| 10 | Barnard Castle Lodge of Royal Ark Mariners | 778 | 10/10/2003 | 10/10/2003 | Barnard Castle | DL12 8NJ | Fifth Monday | First and Second, and 3rd Monday in November | November |
| 11 | St Andrews Lodge of Royal Ark Mariners | 854 | 14/04/2005 | 14/04/2005 | Stanley | DH9 8AD | Second Thursday | March, June and November | March |
| 12 | Bernard Gilpin Lodge of Royal Ark Mariners | 860 | 06/01/1977 | 28/05/1977 | Hetton-le-Hole | DH5 9HQ | Third Monday | March, April, September and October | September |
| 13 | Clavering Lodge of Royal Ark Mariners | 896 | 03/06/1971 | 23/10/1971 | Gateshead | NE8 1RE | Fourth Thursday | February, April, June and August | April |
| 14 | Moseley Lodge of Royal Ark Mariners | 925 | 02/12/1948 | 21/05/1949 | Birtley | DH3 2PJ | Fourth Monday | January, March, September and November | September |
| 15 | Spennymoor Lodge of Royal Ark Mariners | 981 | 08/09/1945 | 17/11/1945 | Spennymoor | DL16 6AS | Fourth Monday | January, April, September and November | November |
| 16 | Monument Lodge of Royal Ark Mariners | 1055 | 07/05/2002 | 07/05/2002 | Shiney Row | DH4 7PQ | First Tuesday | May, Septeber and Second Wednesday in December | May |
| 17 | Elevation Lodge of Royal Ark Mariners | 1112 | 03/04/1975 | 25/10/1975 | Burnopfield | NE16 6PU | Fourth Wednesday | February, April, June and October | February |
| 18 | Durham Lodge of Installed Royal Ark Mariner Commanders | 1492 | 15/03/2001 | 15/03/2001 | Hetton-le-Hole | DH5 9HQ | Third Thursday | May and November | November |
| 19 | Stanhope Lodge of Royal Ark Mariners | 1551 | 16/02/2000 | 16/02/2000 | Stanhope | DL13 2PF | First Friday | March, April and September | September |
| 20 | Ryton Lodge of Royal Ark Mariners | 1714 | 19/11/1994 | 19/11/1994 | Ryton | NE40 3AE | First Wednesday | April, September and November | November |