Island Garden City of Samal comprises 46 barangays with an estimated population of 105,425. 23 of its barangays (50%) are connectivity dead zones with no recorded cell tower from either the national registry or crowdsourced data.
| Barangay | Population | Towers | Coverage |
|---|---|---|---|
| Adecor | 1,148 | 4 | Verified coverage (NTC + crowdsourced) |
| Anonang | 1,952 | 2 | Registered tower only (not crowd-verified) |
| Aumbay | 1,420 | 0 | Dead zone: no towers from any source |
| Aundanao | 764 | 0 | Dead zone: no towers from any source |
| Balet | 2,023 | 0 | Dead zone: no towers from any source |
| Bandera | 2,336 | 1 | Crowdsourced signal only (no registered tower) |
| Caliclic (Dangca-an) | 2,554 | 13 | Crowdsourced signal only (no registered tower) |
| Camudmud | 2,316 | 1 | Verified coverage (NTC + crowdsourced) |
| Catagman | 947 | 10 | Crowdsourced signal only (no registered tower) |
| Cawag | 2,710 | 6 | Verified coverage (NTC + crowdsourced) |
| Cogon | 3,378 | 1 | Crowdsourced signal only (no registered tower) |
| Cogon (Talicod) | 1,573 | 0 | Dead zone: no towers from any source |
| Dadatan | 1,405 | 0 | Dead zone: no towers from any source |
| Del Monte | 1,809 | 0 | Dead zone: no towers from any source |
| Guilon | 1,835 | 0 | Dead zone: no towers from any source |
| Kanaan | 1,634 | 0 | Dead zone: no towers from any source |
| Kinawitnon | 1,855 | 14 | Verified coverage (NTC + crowdsourced) |
| Libertad | 1,349 | 0 | Dead zone: no towers from any source |
| Libuak | 1,758 | 0 | Dead zone: no towers from any source |
| Licup | 944 | 0 | Dead zone: no towers from any source |
| Limao | 3,686 | 12 | Verified coverage (NTC + crowdsourced) |
| Linosutan | 500 | 0 | Dead zone: no towers from any source |
| Mambago-A | 1,461 | 1 | Registered tower only (not crowd-verified) |
| Mambago-B | 2,598 | 1 | Registered tower only (not crowd-verified) |
| Miranda (Pob.) | 6,478 | 3 | Verified coverage (NTC + crowdsourced) |
| Moncado (Pob.) | 4,360 | 3 | Verified coverage (NTC + crowdsourced) |
| Pangubatan (Talicod I) | 960 | 0 | Dead zone: no towers from any source |
| Peñaplata (Pob.) | 7,158 | 18 | Verified coverage (NTC + crowdsourced) |
| Poblacion (Kaputian) | 3,913 | 9 | Verified coverage (NTC + crowdsourced) |
| San Agustin | 2,307 | 2 | Registered tower only (not crowd-verified) |
| San Antonio | 2,670 | 0 | Dead zone: no towers from any source |
| San Isidro (Babak) | 2,802 | 2 | Verified coverage (NTC + crowdsourced) |
| San Isidro (Kaputian) | 1,549 | 1 | Registered tower only (not crowd-verified) |
| San Jose (San Lapuz) | 2,914 | 2 | Registered tower only (not crowd-verified) |
| San Miguel (Magamono) | 1,000 | 0 | Dead zone: no towers from any source |
| San Remigio | 2,273 | 0 | Dead zone: no towers from any source |
| Santa Cruz (Talicod II) | 5,230 | 0 | Dead zone: no towers from any source |
| Santo Niño | 991 | 1 | Crowdsourced signal only (no registered tower) |
| Sion (Zion) | 952 | 0 | Dead zone: no towers from any source |
| Tagbaobo | 2,213 | 0 | Dead zone: no towers from any source |
| Tagbay | 3,129 | 0 | Dead zone: no towers from any source |
| Tagbitan-ag | 2,703 | 0 | Dead zone: no towers from any source |
| Tagdaliao | 495 | 0 | Dead zone: no towers from any source |
| Tagpopongan | 1,255 | 0 | Dead zone: no towers from any source |
| Tambo | 2,858 | 5 | Verified coverage (NTC + crowdsourced) |
| Toril | 3,260 | 2 | Crowdsourced signal only (no registered tower) |