15 CFR Part 922, Appendix A — Flower Garden Banks National Marine Sanctuary Boundary Coordinates

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗

Coordinates listed in this appendix are unprojected (Geographic Coordinate System) and based on the North American Datum of 1983 (NAD83).

Point ID No.	Polygon ID No.	Bank(s)	Latitude	Longitude
1	1	Stetson Bank	28.15673	−94.29673
2	1	Stetson Bank	28.15661	−94.30312
3	1	Stetson Bank	28.15862	−94.30888
4	1	Stetson Bank	28.1695	−94.30839
5	1	Stetson Bank	28.17386	−94.30257
6	1	Stetson Bank	28.17583	−94.29445
7	1	Stetson Bank	28.17543	−94.29327
8	1	Stetson Bank	28.17284	−94.28952
9	1	Stetson Bank	28.16924	−94.28677
10	1	Stetson Bank	28.16428	−94.28681
11	1	Stetson Bank	28.16274	−94.28756
12	1	Stetson Bank	28.15796	−94.29047
13	1	Stetson Bank	28.15673	−94.29673
1	2	West Flower Garden Bank	27.84363	−93.78549
2	2	West Flower Garden Bank	27.8175	−93.81056
3	2	West Flower Garden Bank	27.81752	−93.84752
4	2	West Flower Garden Bank	27.83069	−93.86271
5	2	West Flower Garden Bank	27.81735	−93.87490
6	2	West Flower Garden Bank	27.8322	−93.89185
7	2	West Flower Garden Bank	27.85854	−93.89369
8	2	West Flower Garden Bank	27.87925	−93.87853
9	2	West Flower Garden Bank	27.92626	−93.82011
10	2	West Flower Garden Bank	27.9262	−93.81759
11	2	West Flower Garden Bank	27.91801	−93.80801
12	2	West Flower Garden Bank	27.90969	−93.77939
13	2	West Flower Garden Bank	27.88644	−93.77939
14	2	West Flower Garden Bank	27.84363	−93.78549
1	3	Horseshoe Bank	27.82317	−93.62789
2	3	Horseshoe Bank	27.80927	−93.63578
3	3	Horseshoe Bank	27.80568	−93.65541
4	3	Horseshoe Bank	27.79429	−93.66555
5	3	Horseshoe Bank	27.78357	−93.68846
6	3	Horseshoe Bank	27.7964	−93.70534
7	3	Horseshoe Bank	27.81855	−93.75198
8	3	Horseshoe Bank	27.82742	−93.74743
9	3	Horseshoe Bank	27.81868	−93.68868
10	3	Horseshoe Bank	27.83143	−93.68941
11	3	Horseshoe Bank	27.84699	−93.70079
12	3	Horseshoe Bank	27.87165	−93.73947
13	3	Horseshoe Bank	27.88602	−93.73294
14	3	Horseshoe Bank	27.87252	−93.64648
15	3	Horseshoe Bank	27.85861	−93.63908
16	3	Horseshoe Bank	27.82317	−93.62789
1	4	East Flower Garden Bank	27.89455	−93.57040
2	4	East Flower Garden Bank	27.87999	−93.61309
3	4	East Flower Garden Bank	27.88003	−93.62961
4	4	East Flower Garden Bank	27.8933	−93.64172
5	4	East Flower Garden Bank	27.92101	−93.64747
6	4	East Flower Garden Bank	27.95899	−93.64490
7	4	East Flower Garden Bank	27.97485	−93.63086
8	4	East Flower Garden Bank	27.98177	−93.60996
9	4	East Flower Garden Bank	27.98554	−93.58188
10	4	East Flower Garden Bank	27.95206	−93.57810
11	4	East Flower Garden Bank	27.92151	−93.56880
12	4	East Flower Garden Bank	27.89455	−93.57040
1	5	MacNeil Bank	28.00226	−93.51550
2	5	MacNeil Bank	27.99707	−93.52669
3	5	MacNeil Bank	28.00136	−93.52423
4	5	MacNeil Bank	28.00518	−93.52425
5	5	MacNeil Bank	28.01694	−93.52233
6	5	MacNeil Bank	28.01883	−93.51264
7	5	MacNeil Bank	28.0367	−93.50300
8	5	MacNeil Bank	28.03724	−93.49844
9	5	MacNeil Bank	28.03113	−93.49199
10	5	MacNeil Bank	28.013	−93.49624
11	5	MacNeil Bank	28.00331	−93.50725
12	5	MacNeil Bank	28.00226	−93.51550
1	6	Rankin Bank & 28—Fathom Bank	27.92554	−93.40593
2	6	Rankin Bank & 28—Fathom Bank	27.92039	−93.41021
3	6	Rankin Bank & 28—Fathom Bank	27.92035	−93.42474
4	6	Rankin Bank & 28—Fathom Bank	27.91387	−93.43165
5	6	Rankin Bank & 28—Fathom Bank	27.90829	−93.42234
6	6	Rankin Bank & 28—Fathom Bank	27.90641	−93.42535
7	6	Rankin Bank & 28—Fathom Bank	27.90489	−93.44219
8	6	Rankin Bank & 28—Fathom Bank	27.89549	−93.44396
9	6	Rankin Bank & 28—Fathom Bank	27.88892	−93.43403
10	6	Rankin Bank & 28—Fathom Bank	27.88072	−93.42805
11	6	Rankin Bank & 28—Fathom Bank	27.87676	−93.42787
12	6	Rankin Bank & 28—Fathom Bank	27.88449	−93.44458
13	6	Rankin Bank & 28—Fathom Bank	27.88803	−93.45159
14	6	Rankin Bank & 28—Fathom Bank	27.88794	−93.45905
15	6	Rankin Bank & 28—Fathom Bank	27.89234	−93.46410
16	6	Rankin Bank & 28—Fathom Bank	27.89971	−93.45571
17	6	Rankin Bank & 28—Fathom Bank	27.9091	−93.45343
18	6	Rankin Bank & 28—Fathom Bank	27.92847	−93.45335
19	6	Rankin Bank & 28—Fathom Bank	27.93407	−93.44743
20	6	Rankin Bank & 28—Fathom Bank	27.93599	−93.44215
21	6	Rankin Bank & 28—Fathom Bank	27.92554	−93.40593
1	7	Bright Bank	27.8731	−93.27056
2	7	Bright Bank	27.86549	−93.29462
3	7	Bright Bank	27.873	−93.31055
4	7	Bright Bank	27.89058	−93.32193
5	7	Bright Bank	27.89839	−93.31987
6	7	Bright Bank	27.90336	−93.30953
7	7	Bright Bank	27.9101	−93.30562
8	7	Bright Bank	27.91634	−93.29292
9	7	Bright Bank	27.91263	−93.28816
10	7	Bright Bank	27.90354	−93.28386
11	7	Bright Bank	27.90253	−93.27238
12	7	Bright Bank	27.89927	−93.26729
13	7	Bright Bank	27.8731	−93.27056
1	8	Geyer Bank	27.78848	−93.07794
2	8	Geyer Bank	27.79458	−93.08448
3	8	Geyer Bank	27.83313	−93.07913
4	8	Geyer Bank	27.85306	−93.08279
5	8	Geyer Bank	27.86328	−93.07885
6	8	Geyer Bank	27.86908	−93.06974
7	8	Geyer Bank	27.86556	−93.05944
8	8	Geyer Bank	27.85211	−93.05391
9	8	Geyer Bank	27.83713	−93.05725
10	8	Geyer Bank	27.8254	−93.04312
11	8	Geyer Bank	27.8249	−93.04276
12	8	Geyer Bank	27.80846	−93.03412
13	8	Geyer Bank	27.78997	−93.04096
14	8	Geyer Bank	27.78602	−93.05384
15	8	Geyer Bank	27.78848	−93.07794
1	9A	Elvers Bank—A	27.82285	−92.88605
2	9A	Elvers Bank—A	27.82087	−92.88600
3	9A	Elvers Bank—A	27.82009	−92.88670
4	9A	Elvers Bank—A	27.81869	−92.89235
5	9A	Elvers Bank—A	27.8169	−92.89404
6	9A	Elvers Bank—A	27.81615	−92.89653
7	9A	Elvers Bank—A	27.80645	−92.90884
8	9A	Elvers Bank—A	27.81221	−92.92082
9	9A	Elvers Bank—A	27.81599	−92.93908
10	9A	Elvers Bank—A	27.81934	−92.93940
11	9A	Elvers Bank—A	27.8225	−92.92465
12	9A	Elvers Bank—A	27.82809	−92.91359
13	9A	Elvers Bank—A	27.83973	−92.89876
14	9A	Elvers Bank—A	27.83972	−92.88038
15	9A	Elvers Bank—A	27.83003	−92.86983
16	9A	Elvers Bank—A	27.82285	−92.88605
1	9B	Elvers Bank—B	27.85645	−92.92310
2	9B	Elvers Bank—B	27.85662	−92.91922
3	9B	Elvers Bank—B	27.85334	−92.91631
4	9B	Elvers Bank—B	27.85076	−92.91727
5	9B	Elvers Bank—B	27.84903	−92.92097
6	9B	Elvers Bank—B	27.85145	−92.92524
7	9B	Elvers Bank—B	27.85645	−92.92310
1	10A	McGrail Bank—A	27.97684	−92.58489
2	10A	McGrail Bank—A	27.97749	−92.57716
3	10A	McGrail Bank—A	27.97475	−92.56753
4	10A	McGrail Bank—A	27.97304	−92.56191
5	10A	McGrail Bank—A	27.95173	−92.53902
6	10A	McGrail Bank—A	27.94849	−92.54254
7	10A	McGrail Bank—A	27.96632	−92.56116
8	10A	McGrail Bank—A	27.96792	−92.58152
9	10A	McGrail Bank—A	27.95989	−92.58187
10	10A	McGrail Bank—A	27.95409	−92.57057
11	10A	McGrail Bank—A	27.94951	−92.57135
12	10A	McGrail Bank—A	27.9492	−92.57994
13	10A	McGrail Bank—A	27.95846	−92.60274
14	10A	McGrail Bank—A	27.97286	−92.61901
15	10A	McGrail Bank—A	27.98096	−92.60158
16	10A	McGrail Bank—A	27.97684	−92.58489
1	10B	McGrail Bank—B	27.94116	−92.54750
2	10B	McGrail Bank—B	27.9418	−92.54543
3	10B	McGrail Bank—B	27.9401	−92.54202
4	10B	McGrail Bank—B	27.93616	−92.54151
5	10B	McGrail Bank—B	27.93481	−92.54398
6	10B	McGrail Bank—B	27.93529	−92.54803
7	10B	McGrail Bank—B	27.93859	−92.54901
8	10B	McGrail Bank—B	27.94116	−92.54750
1	11	Bouma Bank	28.07909	−92.47305
2	11	Bouma Bank	28.0737	−92.44900
3	11	Bouma Bank	28.0737	−92.44891
4	11	Bouma Bank	28.06544	−92.43518
5	11	Bouma Bank	28.05162	−92.43380
6	11	Bouma Bank	28.03846	−92.44065
7	11	Bouma Bank	28.03463	−92.45289
8	11	Bouma Bank	28.03114	−92.45537
9	11	Bouma Bank	28.02915	−92.46338
10	11	Bouma Bank	28.03154	−92.47259
11	11	Bouma Bank	28.04166	−92.47229
12	11	Bouma Bank	28.04525	−92.46717
13	11	Bouma Bank	28.04751	−92.47310
14	11	Bouma Bank	28.04676	−92.48308
15	11	Bouma Bank	28.04866	−92.48462
16	11	Bouma Bank	28.05687	−92.48145
17	11	Bouma Bank	28.06388	−92.49262
18	11	Bouma Bank	28.07018	−92.49141
19	11	Bouma Bank	28.06974	−92.48613
20	11	Bouma Bank	28.06594	−92.48098
21	11	Bouma Bank	28.07109	−92.47708
22	11	Bouma Bank	28.07683	−92.48071
23	11	Bouma Bank	28.07909	−92.47305
1	12	Sonnier Bank	28.32652	−92.45356
2	12	Sonnier Bank	28.32495	−92.45647
3	12	Sonnier Bank	28.32501	−92.45965
4	12	Sonnier Bank	28.32796	−92.46626
5	12	Sonnier Bank	28.33523	−92.47536
6	12	Sonnier Bank	28.34453	−92.47511
7	12	Sonnier Bank	28.3484	−92.47439
8	12	Sonnier Bank	28.35256	−92.47181
9	12	Sonnier Bank	28.35416	−92.46784
10	12	Sonnier Bank	28.35456	−92.46135
11	12	Sonnier Bank	28.35351	−92.45729
12	12	Sonnier Bank	28.35174	−92.45107
13	12	Sonnier Bank	28.34852	−92.44564
14	12	Sonnier Bank	28.34303	−92.44045
15	12	Sonnier Bank	28.34048	−92.44024
16	12	Sonnier Bank	28.33584	−92.44669
17	12	Sonnier Bank	28.33068	−92.44985
18	12	Sonnier Bank	28.32652	−92.45356
1	13	Rezak Bank	27.9542	−92.36641
2	13	Rezak Bank	27.95847	−92.37739
3	13	Rezak Bank	27.95629	−92.38599
4	13	Rezak Bank	27.97297	−92.39248
5	13	Rezak Bank	27.97892	−92.39845
6	13	Rezak Bank	27.98869	−92.39964
7	13	Rezak Bank	27.99372	−92.38244
8	13	Rezak Bank	27.98603	−92.36697
9	13	Rezak Bank	27.98022	−92.36429
10	13	Rezak Bank	27.97442	−92.36996
11	13	Rezak Bank	27.96006	−92.36854
12	13	Rezak Bank	27.9542	−92.36641
1	14	Sidner Bank	27.93046	−92.36762
2	14	Sidner Bank	27.91368	−92.37398
3	14	Sidner Bank	27.91462	−92.38530
4	14	Sidner Bank	27.91976	−92.39427
5	14	Sidner Bank	27.92306	−92.38792
6	14	Sidner Bank	27.94525	−92.38305
7	14	Sidner Bank	27.94166	−92.37565
8	14	Sidner Bank	27.94231	−92.37189
9	14	Sidner Bank	27.93046	−92.36762
1	15A	Parker Bank—A	27.95067	−92.00294
2	15A	Parker Bank—A	27.94177	−91.99762
3	15A	Parker Bank—A	27.93547	−91.99568
4	15A	Parker Bank—A	27.92937	−91.99981
5	15A	Parker Bank—A	27.93224	−92.02999
6	15A	Parker Bank—A	27.93401	−92.03946
7	15A	Parker Bank—A	27.93958	−92.05015
8	15A	Parker Bank—A	27.95012	−92.05050
9	15A	Parker Bank—A	27.96214	−92.05407
10	15A	Parker Bank—A	27.9663	−92.04745
11	15A	Parker Bank—A	27.96869	−92.04120
12	15A	Parker Bank—A	27.96925	−92.02758
13	15A	Parker Bank—A	27.96678	−92.02175
14	15A	Parker Bank—A	27.95067	−92.00294
1	15B	Parker Bank—B	27.96082	−91.99450
2	15B	Parker Bank—B	27.96432	−91.99285
3	15B	Parker Bank—B	27.96566	−91.99014
4	15B	Parker Bank—B	27.96385	−91.98600
5	15B	Parker Bank—B	27.96149	−91.98639
6	15B	Parker Bank—B	27.95931	−91.98760
7	15B	Parker Bank—B	27.95824	−91.99183
8	15B	Parker Bank—B	27.96082	−91.99450
1	16	Alderdice Bank	28.09726	−91.99328
2	16	Alderdice Bank	28.09474	−91.98619
3	16	Alderdice Bank	28.09569	−91.97526
4	16	Alderdice Bank	28.09184	−91.97361
5	16	Alderdice Bank	28.0841	−91.97273
6	16	Alderdice Bank	28.07506	−91.97457
7	16	Alderdice Bank	28.07053	−91.98465
8	16	Alderdice Bank	28.06959	−91.99347
9	16	Alderdice Bank	28.06819	−92.00512
10	16	Alderdice Bank	28.07026	−92.01321
11	16	Alderdice Bank	28.07562	−92.02032
12	16	Alderdice Bank	28.08058	−92.02436
13	16	Alderdice Bank	28.08463	−92.02577
14	16	Alderdice Bank	28.09024	−92.02296
15	16	Alderdice Bank	28.09487	−92.01231
16	16	Alderdice Bank	28.09627	−92.00735
17	16	Alderdice Bank	28.09507	−92.00008
18	16	Alderdice Bank	28.09726	−91.99328

[86 FR 4954, Jan. 19, 2021]