| Short Strand Beach | Wexford | Irish Sea | 15.3°C(59.5°F) | July, August, September, October | Live SST → |
| Silver Strand | Cork | Celtic Sea | 15.6°C(60.1°F) | June, July, August, September | Live SST → |
| Silver Strand | Wicklow | Irish Sea | 15.4°C(59.7°F) | July, August, September, October | Live SST → |
| Silver Strand | Galway | Irish Sea | 15.5°C(59.9°F) | June, July, August, September | Live SST → |
| South Beach | Wicklow | Irish Sea | 15.4°C(59.7°F) | July, August, September, October | Live SST → |
| South Beach | Fingal | Irish Sea | 14.7°C(58.5°F) | July, August, September, October | Live SST → |
| Spanish Point Beach | Clare | Celtic Sea | 15.5°C(59.9°F) | June, July, August, September | Live SST → |
| Stradbally Cove | Waterford | Celtic Sea | 15.3°C(59.5°F) | June, July, August, September | Live SST → |
| Templetown Bay Beach | Wexford | Celtic Sea | 15.2°C(59.4°F) | July, August, September, October | Live SST → |
| The Cove | Wicklow | Irish Sea | 15.4°C(59.7°F) | July, August, September, October | Live SST → |
| The Cove | Wicklow | Irish Sea | 15.4°C(59.7°F) | July, August, September, October | Live SST → |
| The Strand | Ireland | Inner Seas off the West Coast of Scotland | 15.2°C(59.4°F) | July, August, September, October | Live SST → |
| Tinnaberna Beach | Wexford | Irish Sea | 15.2°C(59.4°F) | July, August, September, October | Live SST → |
| Tower Bay Beach | Fingal | Irish Sea | 14.7°C(58.5°F) | July, August, September, October | Live SST → |
| Trá Bán | Ireland | Celtic Sea | 15.6°C(60.1°F) | June, July, August, September | Live SST → |
| Trá Bhaile an Sceilge | Kerry | Celtic Sea | 15°C(59°F) | June, July, August, September | Live SST → |
| Trá Chuan an Mhada | Galway | Irish Sea | 15.3°C(59.5°F) | June, July, August, September | Live SST → |
| Trá na Feadóige | Galway | Irish Sea | 15.3°C(59.5°F) | June, July, August, September | Live SST → |
| Trá na gCruach | Ireland | Celtic Sea | 15.6°C(60.1°F) | June, July, August, September | Live SST → |
| Trá na mBuailte (Beach of the Booly) | Ireland | Celtic Sea | 15.5°C(59.9°F) | June, July, August, September | Live SST → |
| Trá na Sasanach | Kerry | Celtic Sea | 15°C(59°F) | June, July, August, September | Live SST → |
| Tráigh na Mona | Cork | Celtic Sea | 15.6°C(60.1°F) | June, July, August, September | Live SST → |
| Tralispean | Cork | Celtic Sea | 15.6°C(60.1°F) | June, July, August, September | Live SST → |
| Tranaduileasg | Cork | Celtic Sea | 15°C(59°F) | June, July, August, September | Live SST → |
| Trawalua Strand | Sligo | Inner Seas off the West Coast of Scotland | 15°C(59°F) | July, August, September, October | Live SST → |
| Trawclogh | Galway | Irish Sea | 15.5°C(59.9°F) | June, July, August, September | Live SST → |
| Uggool Beach | Mayo | Inner Seas off the West Coast of Scotland | 15.2°C(59.4°F) | July, August, September, October | Live SST → |
| White Rock Beach | Dún Laoghaire–Rathdown | Irish Sea | 14.7°C(58.5°F) | July, August, September, October | Live SST → |
| White Strand | Cork | Celtic Sea | 15°C(59°F) | June, July, August, September | Live SST → |
| White Strand | Cork | Celtic Sea | 15.7°C(60.3°F) | June, July, August, September | Live SST → |
| White Strand | Clare | Celtic Sea | 15.4°C(59.7°F) | June, July, August, September | Live SST → |
| White Strand | Clare | Celtic Sea | 15.5°C(59.9°F) | June, July, August, September | Live SST → |
| Woodstown Strand | Waterford | Celtic Sea | 15.2°C(59.4°F) | July, August, September, October | Live SST → |
| Yellow Strand | Sligo | Inner Seas off the West Coast of Scotland | 15°C(59°F) | July, August, September, October | Live SST → |