Designed by Bill O’Brien and built by Reg Freeman (Yachts) Ltd in Southampton during the 1960s and 70s, the Seadog 30 is a quintessential British motor sailer that prioritizes ruggedness and safety over outright speed. With roughly 140 hulls produced, this ketch-rigged cruiser was conceived during an era when heavy-displacement hulls and protected center cockpits were the hallmarks of serious offshore voyaging. It is a vessel defined by its "go-anywhere" philosophy, often chosen by sailors who value a dry watch and the ability to punch through heavy weather. The boat’s distinctive silhouette, characterized by its high freeboard and twin-masted rig, remains a common sight in European coastal waters and among long-distance blue-water cruisers.
Used Seadog 30 Sailboats for Sale

- Make
- Seadog
- Model
- 30
- Builder
- Glascade GRP Ltd./Reg Freeman Yachts Ltd.
- Designer
- Reg Freeman
- Number Built
- 140
- Production Year(s)
- 1966 - 1974
Below are the most recent Seadog 30 sailboat listings.
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| Source | Year | Make | Model | Price | Cabins | Heads | City | Country | Listing Date |
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DISCLAIMER: We are not affiliated with any external listing websites in any way. We simply aggregate publicly available listings to make it easier for buyers to find sailboats for sale. We cannot guarantee the accuracy of the listings, so please verify all information with the seller before making any decisions.