Southampton Boat Show 2026: Dates and What to Expect at Mayflower Park
Britain’s largest marine festival is set to return to Mayflower Park, Southampton, from Friday, 18 September to Sunday, 27 September 2026. The Southampton International Boat Show is aimed at families and marine enthusiasts, with exhibits spanning stand-up paddleboards to superyachts. Cost and booking status are not stated in the current Visit Hampshire Events listing. It also gives no opening time, event-specific transport guidance or accessibility information.
From paddleboards to superyachts
The event’s factual promise is breadth. At one end of the advertised range are stand-up paddleboards; at the other are superyachts, with marine equipment, gadgets and other craft presented between those points. That makes the show relevant to visitors whose interests are practical and hands-on, as well as those who chiefly want to see the larger end of the market.

The source describes it as the UK’s biggest marine showcase, but does not identify particular brands, product launches or a daily programme. Readers should therefore treat the confirmed draw as the scale and variety of the marine display, rather than assume a specific exhibit will appear.

Trying the Watersports Zone
The Watersports Zone adds the participatory side of the festival. Kayaking and diving are the two activities named in the source, and experts are expected to be on hand to help visitors find a water sport suited to them. The listing also presents the zone as a place to encounter and try new watersports gadgets and equipment.

For a first-time visitor, that creates a clear choice between browsing the wider industry showcase and seeking out a more active experience. However, the supplied information does not set out individual session formats or participation arrangements, so kayaking and diving should not be read as a published timetable for every day.
Who the show is likely to suit
The show’s broadest appeal is to mixed-interest groups. Families are explicitly part of the intended audience, while marine enthusiasts can use the event to look across different types of craft and equipment in one setting. Visitors most interested in getting involved can prioritise the Watersports Zone; those drawn to the industry itself can focus on the main showcase. No more detailed family programme is named in the source.
Plan around the confirmed details
| Detail | Confirmed information |
|---|---|
| Dates | Friday, 18 September to Sunday, 27 September 2026 |
| Venue | Mayflower Park, Southampton, Hampshire, SO15 1HJ, United Kingdom |
| Audience | Families and marine enthusiasts |
| Main features | Marine industry showcase, Watersports Zone, kayaking, diving, gadgets and equipment |
These are the details currently supported by the Visit Hampshire Events listing. Anyone making firm plans should use that source to check for later entry and logistical information before travelling, particularly if taking part in the Watersports Zone is central to the visit.
Source: Visit Hampshire Events
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Source check Event Verification
The event dates and venue have been cross-referenced with official regional event listings for Hampshire.
- Verified event dates: 18-27 September 2026
- Confirmed venue: Mayflower Park, Southampton
- Confirmed primary source: Visit Hampshire Events
- Source
- Visit Hampshire Events
- Scope
- Southampton
- Updated
- 2026-08-12 11:12
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