| Company Name | Country | Website |
| IAG Yachts | China | |
| Ibis of Florida | United States | |
| Iconovista Pte Ltd | Singapore | www.iconovistayachts.com |
| Idea Yachting | Malta | ideayachting.com |
| Imperial Sea Marine Ltd | www.imperialseamarine.com | |
| IMPERIAL YACHTS | Monaco | www.imperial-yachts.com |
| Indigo Bay Yacht Charters | United Kingdom | |
| Infinite Yachts | France | www.infiniteyachts.com |
| International Yacht Register | Spain | www.iyr.net |
| Internautic Yachts | www.internautic-yachts.com | |
| Interyacht Inc | United States | www.interyacht.com |
| Inwards Marine | United Kingdom | www.inwardsmarine.com |
| Istion Yachting | Greece | |
| Italian Yacht Group | theitalianyachtgroup.com | |
| IYC - International Yacht Collection (Brokerage) | Monaco | www.iyc.com |
15 Brokers