| Rank | Year | Length overall in meters | Name | Shipyard | Photo | Mothership | Notes | Reference |
|---|
| 1 | 2016 | 164 | Fulk Al Salamah | Mariotti Yachts | | Al Said | | [1] |
| 2 | 1987 | 136.33 | Al Dhaferah | Bremer Vulkan | | Al Said | | [2] |
| 3 | 2002 | 133 | M2 | Severnav Shipyard | | A+ | Acquired in 2016. Refit 2016 - 2018 Singapore. | [3] |
| 4 | 1973 | 79 | Dubai Shadow | Mitsubishi Heavy Industries Ltd. | | Dubai | | [4] |
| 5 | 1975 | 77.34 | Khozam | Schichau Unterwesser AG | | | Sister ship of the converted superyachts Arctic P & Sea Ranger | [5] |
| 6 | 2023 | 75 | Abeona | Damen Group | | Koru | | [6] |
| 7 | 2018 | 73.60 | Sherpa | Feadship | | Hampshire II | | [7] |
| 8 | 2017 | 72 | Game Changer | Damen Group | | | Second 69m Sea Axe Fast Yacht Support Vessel. During a refit in 2020 Game Changer was lengthened with 2.85 meters. | [8] [9] [10] [11] |
| 9 | 2018 | 71.50 | Umm Alhoul | Damen Group | | | Originally planned for 2016. Built as part of the Nakilat Damen group. | [12] |
| 10 | 2018 | 71.50 | Daloob | Damen Group | | | Originally planned for 2017. Built as part of the Nakilat Damen group. | [13] |
| 11 | 2016 | 69 | Intrepid | Damen Group | | Infinity | First 69m Sea Axe Fast Yacht Support Vessel. | [14] [15] [16] [17] |
| 12 | 2021 | 68.2 | Wayfinder | Astilleros Armon | | | Shadow Cat | [18] [19] |
| 13 | 1980 | 67.28 | Explorer | Candies Shipbuilders (Formerly Houma) | | | | [20] |
| 14 | 2012 | 67.15 | Garcon | Damen Group | | Ace | First 67m Sea Axe Fast Yacht Support Vessel. | [21] [22] |
| 15 | 2014 | 67.15 | Dapple | Damen Group | | Flying Fox | Second 67m Sea Axe Fast Yacht Support Vessel. | [23] [24] [25] |
| 16 | 1982 | 67.06 | Global | Bender Shipbuilding & Repair Co. | | | | [26] |
| 17 | 1994 | 66.75 | Golden Shadow | Campbell Shipyard | | | Part of the Golden fleet of Khalid bin Sultan. | [27] |
| 18 | 2018 | 66.2 | Hodor | Astilleros Armon | | Lonian | Shadow Cat | [28] |
| 19 | 1978 | 63.40 | Suri | Halter Marine | | | | [29] |
| 20 | 2016 | 60 | Sputnik | Boustead Naval Shipyard | | Queen K | Sputnik was built as an offshore supply vessel. She was then converted at Fincantieri Yachts. | [30] |
| 21 | 1978 | 58 | Afthonia V | Scheepswerf De Waal | | | | [31] |
| 22 | 2019 | 57 | B3 | Damen Group | | Erica | Seventh YS 5009. | [32] [33] |
| 23 | 1980 | 56.62 | Al Shoua | Rockport Yacht & Supply Co | | Constellation | Built as the offshore service vessel Interceptor. Converted to superyacht support vessel in 2008 | [34] |
| 24 | 1973 | 56.40 | Quattroelle Shadow | Mitsubishi Heavy Industries Ltd. | | Quattroelle | | [35] [36] |
| 25 | 2020 | 55.50 | Gene Chaser | Damen Group | | Gene Machine | Eighth YS 5009. Originally named Blue Ocean, later sold and renamed Gene Chaser. | [37] [38] |
| 26 | 2021 | 55.50 | Better Space | Damen Group | | Better Place | Ninth YS 5009. Originally named Time Off, later sold and renamed Better Space. | [39] [40] [41] |
| 27 | 2016 | 55.30 | Axis | Damen Group | | Gigi | Fourth YS 5009. Originally named Fast & Furious, later sold and renamed Axis. | [42] [43] [44] [45] |
| 28 | 2017 | 55.30 | Shadow | Damen Group | | Spectre | Fifth YS 5009. Originally named New Frontiers, later sold and renamed Shadow. | [46] [47] [48] [49] [50] |
| 29 | 2018 | 55.30 | Power Play | Damen Group | | Mogambo | Sixth YS 5009. | [51] [52] [53] |
| 30 | 2010 | 54 | Umbra | Damen Group | | Alucia | | [54] [55] |
| 31 | 2012 | 53.25 | Ad-Vantage | Damen Group | | Vantage | Ad-Vantage started out as a firefighting and fast crew support vessel servicing offshore platforms. | [56] [57] [58] |
| 32 | 2009 | 51.30 | Pursuit | Damen Group | | | First purpose built Sea Axe Fast Yacht Support vessel. | [59] |
| 33 | 2010 | 51.25 | Transit | Damen Group | | | | [60] |
| 34 | 1976 | 50.20 | Perfect Life | Rockport Yacht & Supply Co. | | | | [61] |
| 35 | 1981 | 49.70 | Mystrere Shadow | Candies Shipbuilders (Formerly Houma) | | Istranka | | [62] |
| 36 | 2006 | 48.77 | Etoile de la Mer | Breaux's Bay Craft | | | | [63] |
| 37 | 1978 | 48.76 | Pacific Provider | Blount Marine | | | | [64] |
| 38 | 2017 | 46 | Charley | Echo Yachts | | White Rabbit | | [65] |
| 39 | 2019 | 45.60 | Pink Shadow | Damen Group | | Pink Gin VI | First YS 4508. Originally launched as Joy Rider. | [66] [67] [68] |
| 40 | 2010 | 43.59 | Solution | Westport Yachts | | | | [69] |
| 41 | 2006 | 42.18 | Bystander | JFA Yachts | | Velsheda | Named after the original America's Cup support tender. | [70] [71] |
| 42 | 1930 | 37.19 | Atlantide | Philip & Sons | | Hanuman | After being launched in 1930, she also was the tender for another J-class yacht, Shamrock V. | [72] |
| 43 | 2021 | 36 | Phantom Phi | Alia Yachts | | PHI | | [73] |
| 44 | 2012 | 35.82 | Ghost | Damen Group | | | | [74] |
| 45 | 1967 | 35.69 | Lujah 2704 | Scheepswerf De Industrie | | | Originally built in 1967 and last refitted in 2016. | [75] [76] |
| 46 | 2001 | 33.50 | Al-Noores | Damen Group | | | | [77] |
| 47 | 1996 | 28.66 | Viking Legacy | Damen Group | | | | [78] |
| 48 | 2018 | 27.30 | Playa | Lynx Yachts | | | First YXT 24. | [79] |
| 49 | 2020 | 27.30 | Roe Shadow | Lynx Yachts | | Roe | Second YXT 24. | [80] [81] |
| 50 | 2016 | 25 | Al Makher | Abeking & Rasmussen | | | | [82] |
| 51 | 2001 | 24 | U Boat Navigator | Rena Umut Kocali | | | | [83] |
| 52 | 2014 | 23.98 | YXT One | Lynx Yachts | | | | [84] |
| 53 | 2016 | 21.45 | YXT 20 | Lynx Yachts | | | | [85] |