| #1 | time.is ↗ Time.is - exakte Zeit, für jegliche Zeitzone | 982 | Iceland is | Soccer | – | none |
| #2 | pse.is ↗ PicSee | SocialVIP™ | 478 | Iceland is | Social Networking | – | none |
| #3 | hi.is ↗ Háskóli Íslands | | 415 | Iceland is | College EducationDrupal | email | none |
| #4 | webstudio.is ↗ Webstudio — Advanced Open Source Website Builder | 230 | Iceland is | Web Development | – | none |
| #5 | who.is ↗ WHOIS Search, Domain Name, Website, and IP Tools - Who.is | 222 | Iceland is | Internet | – | none |
| #6 | ferdamalastofa.is ↗ Ferðamálastofa | 217 | Iceland is | Travel | email | none |
| #7 | island.is ↗ Ísland.is | 205 | Iceland is | Government Business | phone | none |
| #8 | pulse.is ↗ Free Landing Page Builder | SendPulse | 205 | Iceland is | Marketing and AdvertisingWordPress | email | none |
| #9 | advania.is ↗ Advania - tæklum þetta með tækninni! | 196 | Iceland is | Business I T | – | none |
| #10 | vedur.is ↗ Forsíða Veðurstofu Íslands | Veðurstofa Íslands | 169 | Iceland is | Weather | email | none |
| #11 | good.is ↗ GOOD - Good.is | 161 | Iceland is | PoliticsWordPress | – | none |
| #12 | ja.is ↗ Já.is | 147 | Iceland is | Business | – | none |
| #13 | ruv.is ↗ RÚV.is | 134 | Iceland is | Talk Radio | – | none |
| #14 | her.is ↗ Custom Domain by Bitly | 131 | Iceland is | Marketing and AdvertisingWordPress | – | none |
| #15 | visir.is ↗ Forsíða - Vísir | 121 | Iceland is | Television | – | none |
| #16 | 1984.is ↗ 1984 - Heimsins vinsælasta hýsing á Íslandi | 118 | Iceland is | Web Hosting | emailphone | none |
| #17 | yoursurprise.is ↗ Personalised Gifts with Photo and Text | YourSurprise | 114 | Iceland is | Gifts and Greetings Cards | email | none |
| #18 | nine.is ↗ The Nine — Marketing you can measure, defend, and scale. | 110 | Iceland is | Marketing and Advertising | email | none |
| #19 | generalmills.is ↗ General Mills Iceland - General Mills | 105 | Iceland is | Food IndustrySitecore | – | none |
| #20 | dineout.is ↗ Dineout | Dineout.is - Iceland's Exclusive Restaurant Marketplace | 104 | Iceland is | Bars and Restaurants | – | none |
| #21 | noona.is ↗ Noona - Bókaðu tíma í allt, núna. | 102 | Iceland is | Beauty | – | none |
| #22 | pros.is ↗ 縮短網址 | PicSee 免登入．永久有效．追蹤成效 | 101 | Iceland is | Marketing and Advertising | email | none |
| #23 | godo.is ↗ Hotel Management System - Godo | 93 | Iceland is | Hospitality IndustryWordPress | emailphone | none |
| #24 | bible.is ↗ Bible.is - Faith Comes By Hearing | 90 | Iceland is | Religious Music and AudioWebflow | email | none |
| #25 | leigja-bil.is ↗ Bílaleiga online - Besta og ódýrasti leigja bíl | 90 | Iceland is | Auto Rentals | – | none |
| #26 | aipi.is ↗ aipi: tengir | 89 | Iceland is | Communication | emailphone | none |
| #27 | stjornarradid.is ↗ Stjórnarráðið | Forsíða | 89 | Iceland is | Government Business | email | partial |
| #28 | hypothes.is ↗ Hypothesis | The #1 Social Annotation Tool for Higher Education | 87 | Iceland is | EducationWordPressReaction Commerce | – | none |
| #29 | tourdesk.is ↗ TourDesk - Tour Booking Software for Hotels & Guesthouses | 85 | Iceland is | Hospitality Industry | email | none |
| #30 | mostbet.is ↗ Mostbet BD - অফিসিয়াল অনলাইন ক্যাসিনো এবং বুকমেকার | 81 | Iceland is | Casinos and GamblingWordPress | – | partial |
| #31 | pronoun.is ↗ Pronoun Island | 81 | Iceland is | Language Learning | – | none |
| #32 | thethirdplace.is ↗ The Third Place | Community Software for Local Businesses | 77 | Iceland is | Business | – | none |
| #33 | remax.is ↗ RE/MAX Ísland | RE/MAX Ísland | 73 | Iceland is | Real Estate Buying and Selling | – | none |
| #34 | ru.is ↗ Forsíða | Háskólinn í Reykjavík | 70 | Iceland is | College EducationWordPress | emailphone | none |
| #35 | perfectreplica.is ↗ Perfect Replica Watches | Swiss Rolex, Breitling, Tag Heuer, Omega | 64 | Iceland is | Men S Jewelry and WatchesWordPressWooCommerce | – | none |
| #36 | landsbankinn.is ↗ Landsbankinn | 62 | Iceland is | Consumer BankingPrismic | emailphone | none |
| #37 | oldelpaso.is ↗ Old El Paso - Norway | 62 | Iceland is | Food and DrinkSitecore | – | none |
| #38 | creditinfo.is ↗ Creditinfo | Lánstraust | 59 | Iceland is | | email | none |
| #39 | vegagerdin.is ↗ Vegagerðin | 59 | Iceland is | WordPress | phone | none |
| #40 | visitreykjavik.is ↗ Welcome to the Heart of Iceland | Visit Reykjavík | 55 | Iceland is | TravelDrupal | – | partial |
| #41 | northiceland.is ↗ Visit North Iceland - Official Travel Guide | 54 | Iceland is | Travel | phone | none |
| #42 | tix.is ↗ Tix | Miðasala á alla helstu viðburði á Íslandi | 54 | Iceland is | Events | – | none |
| #43 | grapevine.is ↗ The Reykjavík Grapevine – The latest on culture, music and life in Iceland from the countr | 52 | Iceland is | MusicWordPress | – | partial |
| #44 | signet.is ↗ Rafrænar undirritanir | Signet Advania | 52 | Iceland is | Business | email | none |
| #45 | commonplace.is ↗ Commonplace | Digital Citizen Engagement Platform | 49 | Iceland is | Civic AffairsHubSpot | – | none |
| #46 | islandsbanki.is ↗ Íslandsbanki | 48 | Iceland is | Consumer BankingPrismic | – | none |
| #47 | postcode.is ↗ Postcodes in United Kingdom - Postcode.is | 47 | Iceland is | Maps and Navigation | – | none |
| #48 | swell.is ↗ Swell | Next-level commerce for everyone | 47 | Iceland is | Business | – | none |
| #49 | arionbanki.is ↗ Forsíða - Arion banki | 46 | Iceland is | Consumer Banking | – | none |
| #50 | meeting.is ↗ Screen sharing for inside sales and telesales | CrankWheel® - CrankWheel | 46 | Iceland is | Marketing and Advertising | email | none |
| #51 | skatturinn.is ↗ Skatturinn - skattar og gjöld | 46 | Iceland is | Personal Taxes | emailphone | none |
| #52 | alfred.is ↗ Laus störf | Alfreð | 45 | Iceland is | Job Search | – | none |
| #53 | ok.is ↗ OK - Við elskum tölvukerfi | 45 | Iceland is | Software and ApplicationsWordPress | – | none |
| #54 | arnastofnun.is ↗ Forsíða | Árnastofnun | 44 | Iceland is | Books and LiteratureDrupal | – | none |
| #55 | intelligence.is ↗ Iris Business Intelligence – Marketing, Intelligence, and Security | 43 | Iceland is | Marketing and AdvertisingWordPressWooCommerce | phone | none |
| #56 | skraningarnumer.is ↗ Bílaskráning API (Ísland) - Uppfletting á Íslenskum og Evrópskum bílaskráningum | 43 | Iceland is | | emailphone | none |
| #57 | ajvorulistinn.is ↗ Húsgögn og innréttingar fyrir vinnustaðinn | AJ Vörulistinn | 42 | Iceland is | Interior Decorating | emailphone | none |
| #58 | patronspor.is ↗ Patronspor | Taraftarium24 - Canlı Maç İzle | 42 | Iceland is | Casinos and Gambling | – | partial |
| #59 | government.is ↗ Government of Iceland | Government of Iceland | 41 | Iceland is | Government Business | emailphone | none |
| #60 | hugras.is ↗ Hugrás - Vefrit hugvísindasviðs Háskóla Íslands | Hugrás - Vefrit Hugvísindasviðs Háskóla | 40 | Iceland is | MoviesWordPress | email | none |
| #61 | isol.is ↗ Við höfum þjónustað iðnað á Íslandi frá árinu 1959 | 39 | Iceland is | Industries | email | none |
| #62 | dacoda.is ↗ Dacoda - Stafrænir Lausnasmiðir | 38 | Iceland is | Web DevelopmentPrismic | emailphone | none |
| #63 | guidetoiceland.is ↗ Guide to Iceland | Tours & Reviews | Travel Tips & People | 38 | Iceland is | Travel | emailphone | none |
| #64 | south.is ↗ Visit South Iceland | 38 | Iceland is | Travel LocationsWordPress | emailphone | none |
| #65 | swisschems.is ↗ SwissChems - Home | 38 | Iceland is | Pharmaceutical DrugsWordPressWooCommerce | emailphone | none |
| #66 | east.is ↗ Visit Austurland | 37 | Iceland is | Travel Locations | email | none |
| #67 | oak.is ↗ Oak Studios | 37 | Iceland is | Startups | emailphone | none |
| #68 | skuffan.is ↗ Signet Invoice | 37 | Iceland is | Business Accounting and Finance | email | none |
| #69 | veftorg.is ↗ Heim - Veftorg | 37 | Iceland is | Web DevelopmentWordPressWooCommerce | – | none |
| #70 | flokinet.is ↗ FlokiNET - Secure, Stable, Anonymous, Offshore Privacy focused Hosting Services | 36 | Iceland is | Web Hosting | emailphone | none |
| #71 | rsk.is ↗ Skatturinn - skattar og gjöld | 36 | Iceland is | Personal Taxes | emailphone | none |
| #72 | sandberg.is ↗ Sandberg: Aukabúnaður og græjur með 5 ára ábyrgð - Sandberg A/S | 34 | Iceland is | Computer Peripherals | – | partial |
| #73 | superchange.is ↗ SuperChange - Instant exchange USDT, BitCoin, Ethereum, Monero, Solana, Dash, LiteCoin, Bi | 34 | Iceland is | Currencies | email | none |
| #74 | westfjords.is ↗ Visit Westfjords | 34 | Iceland is | Travel | emailphone | none |
| #75 | buyreplicawatch.is ↗ Replica Watches UK – Luxury Replica Watches UK Shop | 33 | Iceland is | Men S Jewelry and WatchesWordPressWooCommerce | – | none |
| #76 | dcurt.is ↗ Dustin Curtis | 33 | Iceland is | Artificial Intelligence | email | none |
| #77 | doo.is ↗ Doois - AI-Powered Digital Products | 33 | Iceland is | Web DevelopmentWordPress | emailphone | none |
| #78 | isi.is ↗ ÍSÍ | 33 | Iceland is | Participant Sports | emailphone | none |
| #79 | snerpa.is ↗ Snerpa.is / Heim | 33 | Iceland is | Internet Service Providers | email | none |
| #80 | vkm.is ↗ Verkami — Crowdfunding Creativo | 33 | Iceland is | Startups | – | none |
| #81 | cove.is ↗ Unified Commercial Property Management Software | Cove | 32 | Iceland is | Software and ApplicationsHubSpot | – | none |
| #82 | hl.is ↗ HL Adventure | Adventure beyond the horizon | 32 | Iceland is | Adventure Travel | emailphone | none |
| #83 | infomentor.is ↗ Heim - InfoMentor IS | 32 | Iceland is | Secondary EducationWordPress | – | none |
| #84 | replica-watch.is ↗ Replica Watch: Best Fake Watches Online Store | 32 | Iceland is | Men S Jewelry and Watches | email | none |
| #85 | west.is ↗ Visit West Iceland | 32 | Iceland is | Travel Locations | email | none |
| #86 | isavia.is ↗ Isavia ohf. - KEF, Isavia ANS og Innanlandsflugvellir | 31 | Iceland is | Air Travel | – | none |
| #87 | landlaeknir.is ↗ Embætti landlæknis | 31 | Iceland is | Medical Health | emailphone | none |
| #88 | origo.is ↗ Origo - Forskot á framtíðina | 31 | Iceland is | Business I TPrismic | – | none |
| #89 | austin.is ↗ REAL JUDGEMENT DAY LIVE NUCLEAR US GOD VS 666 | 30 | Iceland is | Law | – | none |
| #90 | olgerdin.is ↗ Ölgerðin - Forsíða | 30 | Iceland is | Food Industry | emailphone | none |
| #91 | vakinn.is ↗ Vakinn | 30 | Iceland is | Travel | email | none |
| #92 | whiteboard.is ↗ Whiteboard | A creative agency for purposeful ventures | 30 | Iceland is | Business | email | none |
| #93 | goldenstate.is ↗ Golden State - Made in California | 29 | Iceland is | TravelWordPress | – | none |
| #94 | premis.is ↗ OK - Við elskum tölvukerfi | 29 | Iceland is | Software and ApplicationsWordPress | – | none |
| #95 | visitreykjanes.is ↗ Visit Reykjanes | 29 | Iceland is | Travel Locations | email | none |
| #96 | kano.is ↗ KanoPool | 28 | Iceland is | Currencies | – | none |
| #97 | si.is ↗ Samtök iðnaðarins | 28 | Iceland is | Industries | emailphone | none |
| #98 | with.is ↗ with（ウィズ）価値観で出会う恋活・婚活マッチングアプリ | 28 | Iceland is | Dating | – | none |
| #99 | bestwatches.is ↗ Best Replica Watches – Elevate Your Style with High-Quality Replica Watches | 27 | Iceland is | Men S Jewelry and WatchesWordPressWooCommerce | – | none |
| #100 | ust.is ↗ Umhverfisstofnun | Forsíða | 27 | Iceland is | Environment | – | none |
