QUEENBOROUGH BOAT TOUR FIELD GUIDE
Beneath the Estuary Sky: Sailing to the Redsand Towers and the Montgomery Wreck
A four‑hour guided boat tour from Queenborough Harbour that drifts past WWII Maunsell forts and the exposed wreck of SS Richard Montgomery, with crew narration at every stop.
Beneath the Estuary Sky: Sailing to the Redsand Towers and the Montgomery Wreck.
Adventure brief
Beneath the Estuary Sky: Sailing to the Redsand Towers and the Montgomery Wreck
Set sail from Queenborough Harbour into the wide Thames Estuary to circle the rusting silhouette of the Redsand Towers and to peer at the ghostly remains of the SS Richard Montgomery, while captain and crew relay the forts’ wartime role and the wreck’s uneasy cargo.
From the quays of Queenborough, a short run of open water gives way to a landscape that reads like a maritime field guide of defense and disaster. The Redsand Towers—twin, rusted sentries rising from the Thames Estuary—sit alongside the sculptural Maunsell Army Forts, their flaring legs and braced platforms a stark reminder of Britain’s coastal defenses. Close by lies the hulking SS Richard Montgomery, her decks long submerged and her cargo holds still infamous for unexploded ordnance from 1944. This four‑hour sail visits those landmarks with an expert crew who weave structural detail, wartime history, and local lore into a steady narration as the boat threads sandbanks and tidal flats. The trip departs from Queenborough Harbour and spends roughly forty minutes navigating among the Redsand Towers and Maunsell Forts, then moves to the Montgomery wreck for about ten minutes of observation from a respectful distance. The estuary here is shallow and changeable—sandbanks and mudflats sculpted by tides, with salt-tolerant grasses and the hard geometry of concrete and steel defining the scene. Seabirds wheel and hunt; seals occasionally surface near the hull. Guides point out ironwork, corroded plating, and tell the documented story of the Montgomery—grounded in 1944 with explosive cargo still on board—while emphasizing safety and legal restrictions. This outing is special because it combines living maritime geology with 20th‑century military engineering. The Maunsell Forts are rare examples of offshore anti-aircraft platforms, engineered to be functional yet oddly elegant in profile. The Redsand Towers are unique for their twin-tower arrangement and weathered red paint, a local landmark visible only from the water. Together, they create a compact narrative about the estuary’s strategic role and its ongoing ecological rhythms. Practicalities matter: the boat is not wheelchair accessible and the minimum age is 11—those 11–17 must be accompanied by an adult. The captain and crew provide commentary and maintain safety; drone flights and commercial photography are prohibited. Bookings are non‑refundable, though date changes may be possible with at least 48 hours’ notice; all departures are weather dependent. For photographers and curious travelers, the attraction is the blend of industrial ruin and wildlife against broad light. Bring layers and sea‑sickness remedies, and plan to arrive 15 minutes early. Whether you come for history, to study coastal form, or to watch the estuary’s wildlife, this sail is a crisp, close view of places you only fully understand from the deck of a small boat. Onboard, expect a compact crew who know the estuary’s tides and steel fragments by sight; they explain construction materials, erosion patterns, and local pilotage challenges while keeping watch for marine life. The rhythm of the tide determines every stop—timing here is as much about navigation as it is about storytelling and safety.
Route Schematic
Itinerary Route Schematic
The voyage follows a simple, narrated circuit with clear stops for viewing the estuary forts and the Montgomery wreck.
Departure
Embark at Queenborough Harbour opposite Deadman's Island and set out into the Thames Estuary.
Thames Estuary Passage
Transit the estuary en route to the historic fort locations, with commentary from captain and crew.
Redsand Towers
Spend approximately 40 minutes sailing around and between the Redsand Towers to inspect the Maunsell-designed fort towers and hear their history.
SS Richard Montgomery Wreck
Approach the wreck of the SS Richard Montgomery for about ten minutes while guides explain the ship’s background and the presence of unexploded ordnance.
Return
Return to the original pick-up point at Queenborough Harbour to disembark.
Note: operator restrictions apply (age and photography/drone limits); routes and timing are subject to change based on sea conditions and operational considerations.
What the day feels like
How the Day Unfolds
Departing Queenborough Harbour opposite Deadman's Island, the four‑hour cruise moves out into the Thames Estuary to visit the Maunsell Army Forts and the Redsand Towers—structures towed into place in the 1940s—and finishes with a controlled approach past the SS Richard Montgomery wreck while crew narration ties the sites to their wartime and postwar stories.
THE ROUTE
Around the Redsand Towers
The trip spends roughly 40 minutes sailing around and between the Redsand Towers, giving sustained views of the Maunsell-designed fort structures and time for commentary from the captain and crew.
THE WRECK
SS Richard Montgomery: A Hazardous Landmark
The tour includes a visit to the iconic wreck of the SS Richard Montgomery—brief on-water time at the site (approximately ten minutes) while the crew explains the ship’s history and the continuing risk posed by ordnance in her holds.
THE GUIDES
Narrated Passage
Throughout the four‑hour outing the captain and crew share their knowledge and experiences at each location, contextualizing the forts’ WWII role and the later pirate‑radio era of the Redsand Towers.
Suitability
Who it's for
Who this trip suits and the key limitations to know.
Practical planner
Details to review before reserving
Confirm any suggested or required gear with the operator before departure; check your booking communication for specific guidance.
Dress for wind and spray on an estuary passage; the operator will advise on any additional recommendations or provisions.
Embarkation is at Queenborough Harbour opposite Deadman's Island; verify pickup details with the operator when you book.
Review cancellation policies before reserving.
Frequently asked questions
Planning Your Outing
How long is the trip?
The outing is four hours in total.
Where does the tour depart from?
The tour sails from Queenborough Harbour opposite Deadman's Island.
Is there a minimum age?
Guests aged 11–17 must be accompanied by a parent or guardian.
How long do you spend at the Redsand Towers and the Montgomery wreck?
Expect about 40 minutes sailing around the towers and roughly ten minutes at the Montgomery wreck.
Can I fly a drone or undertake commercial photography on the trip?
No—commercial photography and drone flight are not permitted.
Will the crew provide information during the trip?
Yes; both the captain and crew share their knowledge and experiences at each location throughout the voyage.
How this guide was prepared
This field guide is synthesized using verified supplier specifications, route descriptions, and destination data. Some booking links may generate affiliate revenue for ADV Guides.
- Verified: 2026-08-07T13:00:31.729Z
Some booking links may generate revenue for ADV Guides or The Adventure Collective.
Availability, pricing, schedules and operating details can change.
Trip details and contextual sources were reviewed by ADV Guides Editorial.