The Dean 365, frequently marketed under the evocative moniker "Oceanliner," represents a pivotal moment in the South African catamaran industry. Launched in the early 1990s by Peter Dean, this vessel was engineered to provide the blue-water security and interior volume of a much larger yacht within a 36-foot footprint. Unlike many of its contemporaries that prioritized charter-friendly lightness, the Dean 365 was built with a philosophy of "over-engineering," resulting in a heavy-displacement cruiser capable of handling the notoriously rigorous conditions of the Agulhas Current and the Southern Ocean. While production ceased as the shipyard evolved toward larger models like the 440 and 5000, the 365 remains a sought-after vessel for couples and small families seeking a rugged, ocean-capable multihull on the secondary market.
Dean 365 Sailboats for Sale & Market Overview
- Make
- Dean
- Model
- 365
- Builder
- Dean Catamarans
- Designer
- Peter Dean
- Number Built
- Production Year(s)
- 1990 - 1996
Below are the most recent Dean 365 sailboat listings (up to 10).
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| Source | Year | Make | Model | Price | Cabins | Heads | City | Country | Listing Date | |
|---|---|---|---|---|---|---|---|---|---|---|
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.
Market Overview
Price & Volume Trends
Monthly breakdown
| Month | Listings | Median Asking Price (USD) |
|---|---|---|
| Feb 2025 | 1 | $130,000 |
| Sep 2025 | 1 | $138,000 |
| Mar 2026 | 1 | $115,000 |
| Apr 2026 | 2 | $122,000 |
Median Price by Country
Listings by Country
| Model | LOA | Median Price (USD) | Listings | Recent |
|---|---|---|---|---|
| Pearson 365 Ketch | 36.42' | $35,000 | 22 | 16 |
| Dufour 365 Grand Large | 35.47' | $92,987 | 21 | 13 |
| Nauticat 35 | 34.92' | $108,135 | 14 | 6 |
| Endeavour 35 | 35.42' | $27,700 | 8 | 2 |
| Pearson 365 | 36.42' | $29,500 | 7 | 2 |
| Endurance 35 | 35.27' | $49,000 | 7 | 5 |
| Dean Catamarans 440 | 43.64' | $214,612 | 6 | 4 |
| Baba 35 | 34.83' | $56,500 | 6 | 1 |
| Dean 365 | $126,500 | 4 | 3 | |
| Tartan 365 | 36.5' | $437,000 | 4 | 0 |
| Downeaster 38 | 38' | $47,450 | 4 | 3 |
| Country | Median Price (USD) | Listings (past 12 months) | Recent (90d) |
|---|---|---|---|
| United States | $126,500 | 2 | 1 |
| Guatemala | $85,000 | 1 | 1 |
| US Virgin Islands | $159,000 | 1 | 1 |
Frequently Asked Questions
- How much does a used Dean 365 cost?
- The median asking price for a used Dean 365 over the past 12 months is $126,500. Prices vary by condition, year, equipment, and location.
- How many Dean 365 sailboats are for sale?
- We have tracked 4 Dean 365 listings over the past 12 months, with 3 listed within the last 90 days.
- Are Dean 365 prices going up or down?
- The median asking price for the Dean 365 has decreased by 9.09% over the last 3 months compared to the 12-month average.
- Where is the cheapest place to buy a Dean 365?
- Guatemala currently has the lowest median asking price at $85,000, while US Virgin Islands is the most expensive at $159,000 — a 87% difference.
- What are similar sailboats to the Dean 365?
- Comparable models include the Pearson 365 Ketch, Dufour 365 Grand Large, Nauticat 35. See the comparison table above for pricing and availability.