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Reef(s) (A surface-navigation hazard composed of consolidated material)
| name | alternatenames | latitude | longitude | timezone | modification_date |
| Kajava | 65.15 | 25.18333 | Europe/Helsinki | 2014-09-04 | |
| Hookananmatala | 65.13333 | 25.15 | Europe/Helsinki | 2014-09-04 | |
| Eteläkrissi | 65.13333 | 25.01667 | Europe/Helsinki | 2014-09-04 | |
| Pikkumatala | 65.13333 | 24.98333 | Europe/Helsinki | 2014-09-04 | |
| Lännenmatala | 65.13333 | 24.96667 | Europe/Helsinki | 2014-09-04 | |
| Ulkomatala | 65.5 | 24.81667 | Europe/Helsinki | 2014-09-04 | |
| Lehmikivi | 65.73333 | 24.5 | Europe/Helsinki | 2014-09-04 | |
| Keskikrunni | 65.78333 | 24.26667 | Europe/Helsinki | 2014-09-04 | |
| Mustankrunni | 65.78333 | 24.25 | Europe/Helsinki | 2014-09-04 | |
| Kuukanplaki | 65.66667 | 24.5 | Europe/Helsinki | 2014-09-04 | |
| Litinmatalat | 65.66667 | 24.31667 | Europe/Helsinki | 2014-09-04 | |
| Turskanmatala | 65.65 | 24.8 | Europe/Helsinki | 2014-09-04 | |
| Peukanmatala | 65.63333 | 24.65 | Europe/Helsinki | 2014-09-04 | |
| Iitinmatalat | 65.66667 | 24.31667 | Europe/Helsinki | 2014-09-04 | |
| Jussinmatala | 65.55 | 25.05 | Europe/Helsinki | 2014-09-04 | |
| Reimarinmatala | 65.55 | 25.05 | Europe/Helsinki | 2014-09-04 | |
| Isomatala | 65.53333 | 25.1 | Europe/Helsinki | 2014-09-04 | |
| Möyly | 65.56667 | 24.31667 | Europe/Helsinki | 2014-09-04 | |
| Gammalgrundet | 63.7 | 22.53333 | Europe/Helsinki | 1995-09-29 | |
| Pohjantähti | 65.61667 | 24.36667 | Europe/Helsinki | 2014-09-05 | |
| Peltomatala | 64.61667 | 24.36667 | Europe/Helsinki | 2014-09-05 | |
| Pelanteri | 64.3 | 23.81667 | Europe/Helsinki | 2014-09-05 | |
| Siikahullu | Hullu,Siikahullu | 64.13333 | 23.51667 | Europe/Helsinki | 2014-09-05 |
| Judastenarne | 62.66667 | 20.73333 | Europe/Helsinki | 1996-02-12 | |
| Ykskivi | 64.2 | 23.28333 | Europe/Helsinki | 2014-09-05 | |
| Helsingkallan | 63.6 | 21.83333 | Europe/Helsinki | 1996-03-27 | |
| Medelkalla | Medelkalla | 63.4004 | 20.83644 | Europe/Helsinki | 2024-08-12 |
| Yttre Själhuvudet | 62.9 | 21.11667 | Europe/Helsinki | 2001-10-04 | |
| Övre Själhuvudet | 62.9 | 21.13333 | Europe/Helsinki | 2001-10-04 | |
| Racklet | 62.93333 | 21.06667 | Europe/Helsinki | 2001-10-04 | |
| Engelmansbrotten | Engelmansbrotten | 59.821 | 23.66872 | Europe/Helsinki | 2023-12-11 |
| Sautinkari | 64.06667 | 23.63333 | Europe/Helsinki | 2014-09-06 | |
| Mekainkivi | 64.05 | 23.61667 | Europe/Helsinki | 2014-09-06 | |
| Kiiskispauha | 64.05 | 23.61667 | Europe/Helsinki | 2014-09-06 | |
| Ykskivi | 64.11667 | 23.56667 | Europe/Helsinki | 2014-09-06 | |
| Reipsääri | 64.13333 | 23.58333 | Europe/Helsinki | 2014-09-06 | |
| Ulkotöyrä | 64.15 | 23.61667 | Europe/Helsinki | 2014-09-06 | |
| Ulkokarvo | 64.15 | 23.66667 | Europe/Helsinki | 2014-09-06 | |
| Resumatala | 64.21667 | 23.58333 | Europe/Helsinki | 2014-09-06 | |
| Ulkopuhkiama | 64.23333 | 23.75 | Europe/Helsinki | 2014-09-06 | |
| Seiväsmatala | 64.25 | 23.81667 | Europe/Helsinki | 2014-09-06 | |
| Seljänsuunmatala | 64.81667 | 24.53333 | Europe/Helsinki | 2014-09-06 | |
| Pikkukari | 64.9 | 24.75 | Europe/Helsinki | 2014-09-06 | |
| Lohikari | 64.93333 | 24.75 | Europe/Helsinki | 2014-09-06 | |
| Hevosteko | 64.93333 | 24.76667 | Europe/Helsinki | 2014-09-06 | |
| Kärjenkivi | 64.93333 | 24.78333 | Europe/Helsinki | 2014-09-06 | |
| Ristopinkari | 64.93333 | 24.83333 | Europe/Helsinki | 2014-09-06 | |
| Piritova | Piritova | 60.32571 | 27.13576 | Europe/Helsinki | 2024-02-08 |
| Ahvenkari | Ahvenkari | 60.35088 | 27.12705 | Europe/Helsinki | 2024-02-08 |
| Pauhakari | Pauhakari | 60.359 | 27.03799 | Europe/Helsinki | 2024-02-08 |
| Eteläinen Kuosankari | Etelainen Kuosankari,Eteläinen Kuosankari | 60.39634 | 27.11334 | Europe/Helsinki | 2024-02-08 |
| Hallinrivi | Hallinrivi | 60.46257 | 27.09872 | Europe/Helsinki | 2024-02-08 |
| Vasikkaluoto | 60.46667 | 27.3 | Europe/Helsinki | 2014-09-06 | |
| Huovarinkuohuva | Huovarinkuohuva | 60.3939 | 27.71774 | Europe/Helsinki | 2024-02-08 |
| Bolanskärs Revet | 60.07861 | 22.17444 | Europe/Helsinki | 2014-09-06 | |
| Ytterbåda | Ytterbada,Ytterbåda | 59.71783 | 22.07722 | Europe/Helsinki | 2023-10-06 |
| Brantbåda | Brantbada,Brantbåda | 59.73668 | 21.69098 | Europe/Helsinki | 2023-10-06 |
| Österbådan | Osterbadan,Österbådan | 59.8481 | 23.79477 | Europe/Helsinki | 2023-10-16 |
| Själarevet | Sjalarevet,Själarevet | 60.28729 | 21.41619 | Europe/Helsinki | 2023-11-10 |
| Själbådan | Sjalbadan,Själbådan | 60.28562 | 21.25936 | Europe/Helsinki | 2023-11-10 |
| Vannaa | Vannaa | 60.99954 | 22.32235 | Europe/Helsinki | 2023-12-13 |
| Mäntykarinrivi | Mantykarinrivi,Mäntykarinrivi,Tallskarsrevet,Tallskärsrevet | 60.11502 | 24.92765 | Europe/Helsinki | 2023-12-13 |
| Bergstadbrotten | Bergstadbrotten | 59.97278 | 24.58573 | Europe/Helsinki | 2023-12-13 |
| Kuljunluoto | Kuljunluoto,Selkaluoto,Selkäluoto | 61.17008 | 27.4416 | Europe/Helsinki | 2024-01-11 |
| Storkallegrund | Storkallegrund | 62.78149 | 20.85693 | Europe/Helsinki | 2024-08-14 |
| Montell | Montell | 62.80018 | 20.80338 | Europe/Helsinki | 2024-08-14 |
| Västerbådan | 63.9625 | 22.80833 | Europe/Helsinki | 2014-09-05 | |
| Gustaf Adolfs Grund | Gustaf Adolfs Grund,Kustaa Aadolfin Kari | 60.06889 | 24.92167 | Europe/Helsinki | 2024-02-27 |
| Laakapaadenkari | Flathallsgrundet,Flathällsgrundet,Laakapaadenkari | 60.08417 | 24.96333 | Europe/Helsinki | 2024-02-27 |
| Uusimatala | Nygrundet,Uusimatala | 60.09472 | 24.98306 | Europe/Helsinki | 2014-09-05 |
| Rönnskärsbådan | 62.36667 | 21.18333 | Europe/Helsinki | 2001-10-04 | |
| Storhällan | Storhallan,Storhällan | 62.36506 | 21.17394 | Europe/Helsinki | 2024-05-15 |
| Brottet | 62.76667 | 21.1 | Europe/Helsinki | 2001-10-04 | |
| Brottgrynnan | 62.76667 | 21.1 | Europe/Helsinki | 2001-10-04 | |
| Nybacksgrund | Nybacksgrund | 62.77942 | 20.97024 | Europe/Helsinki | 2024-08-12 |
| Strömmingsgrund | Strommingsgrund,Strömmingsgrund | 62.79976 | 20.9492 | Europe/Helsinki | 2024-08-12 |
| Sillstenen | 62.81667 | 21.2 | Europe/Helsinki | 2001-10-04 | |
| Yttre Skutstenen | 62.83333 | 21.05 | Europe/Helsinki | 2001-10-04 | |
| Inre Skutstenen | 62.83333 | 21.06667 | Europe/Helsinki | 2001-10-04 | |
| Strömmingsbådan | 62.83333 | 21.08333 | Europe/Helsinki | 2001-10-04 | |
| Sidensnöret | Sidensnoret,Sidensnöret | 60.09791 | 25.46428 | Europe/Helsinki | 2023-12-11 |
| Varnagrunden | Varnagrunden | 60.08445 | 25.48396 | Europe/Helsinki | 2023-12-11 |
| Välikivi | 64.08333 | 23.38333 | Europe/Helsinki | 2014-09-06 | |
| Ulkopauha | 64 | 23.35 | Europe/Helsinki | 2014-09-06 | |
| Rävelikkö | 64.06667 | 23.48333 | Europe/Helsinki | 2014-09-06 | |
| Nikunpauha | 64.06667 | 23.4 | Europe/Helsinki | 2014-09-06 | |
| Tuutinhullu | 64.1 | 23.53333 | Europe/Helsinki | 2014-09-06 | |
| Tälli | Keskiseljanmatalat,Keskiseljänmatalat,Talli,Tälli | 65 | 25.11667 | Europe/Helsinki | 2014-09-06 |
| Käykkäränmatala | 65.01667 | 25.08333 | Europe/Helsinki | 2014-09-06 | |
| Järjenmatalat | 65.01667 | 25.18333 | Europe/Helsinki | 2014-09-06 | |
| Polkankari | 65.03333 | 25.15 | Europe/Helsinki | 2014-09-06 | |
| Loplotinkari | 65.03333 | 25.21667 | Europe/Helsinki | 2014-09-06 | |
| Konikari | 65.05 | 25.31667 | Europe/Helsinki | 2014-09-06 | |
| Paskamatala | 65.06667 | 25.28333 | Europe/Helsinki | 2014-09-06 | |
| Vattuörs Södergrundet | Vattuors Sodergrundet,Vattuörs Södergrundet | 60.28333 | 26.29599 | Europe/Helsinki | 2024-02-08 |
| Fjärdsgrundet | Fjardsgrundet,Fjärdsgrundet | 60.28908 | 26.38715 | Europe/Helsinki | 2024-02-08 |
| Västerbåksblakan | 60.27194 | 26.42194 | Europe/Helsinki | 2014-09-06 | |
| Torskgrundet | Torskgrundet | 60.28667 | 26.43444 | Europe/Helsinki | 2024-02-08 |
| Haranmatala | Haranmatala | 60.275 | 26.69361 | Europe/Helsinki | 2023-11-08 |
| Västgrundet | Vastgrundet,Västgrundet | 60.31222 | 26.39556 | Europe/Helsinki | 2024-02-08 |