Dorset Sauna Monthly — December 2025
Ember light, crisp sea air and the quiet cadence of winter on the coast
Editor’s Note
Low sun over the bay, frost on the greensand and a steadier pace between rounds. December in Dorset favours clear ritual: heat, sea, rest. This issue moves through Sea, Forest, Studio to match the month’s calm, with dates that make sense in short days and long evenings.
We’ve verified every listing and trimmed the noise. Book the moments that suit your rhythm now, then add one or two in early January when diaries open and the sea carries that New Year bite.
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Top Picks
Winter Solstice Celebration Sound Healing Evening (Mellulah)
📅 Wed 17 December 2025 19:00–20:30
📍 Moreton, Dorset
Lakeside hall, candlelit mats and a focused hour of crystal bowls to mark solstice week. A clean studio setting that suits the darkest days.
Why it’s worth your time: A precise, seasonal close to the year in a well-run space.
Festive Communal Sauna on the Sand (The Saltwater Sauna)
📅 Mid–late December 2025, multiple sittings
📍 Sandbanks Beach, Poole
Communal heats in the cedar cabins with a short step to the sea; holiday hours with extra slots added.
Why it’s worth your time: Dorset’s clearest beach-sauna expression at the busiest time of year, run by pros who keep cadence tight.
Soul Sister Sauna & Sea — Full Moon (Wild Ways & Lazy Days)
📅 Wed 17 December 2025 17:50–19:30
📍 Studland Sauna Hut, Knoll Beach, Swanage
Wood fired beach hut, women-only circle and an optional sea dip under winter moonlight.
Why it’s worth your time: A Dorset-rooted ritual that marries tide, fire and careful hosting.
Finding Peace — Nervous System Reset Retreat (Mellulah)
📅 Fri 5–Sun 7 December 2025
📍 Countryside venue near the coast, Dorset
Residential weekend with yoga, sound and swims in a private lake; small numbers and steady flow. Sauna access on site noted by organiser.
Why it’s worth your time: A held pocket of quiet before the holidays.
New Year’s Sauna (The Saltwater Sauna)
📅 Wed 31 December 2025 & Thu 1 January 2026 (various times)
📍 Sandbanks Beach, Poole
Private holiday sessions sized for small groups; a simple way to close the year hot and start the next with a sea-cooled head.
Why it’s worth your time: A clean tradition to book once and repeat yearly.
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The Calendar
Finding Peace — Nervous System Reset Retreat (Mellulah)
📅 Fri 5–Sun 7 December 2025
📍 Dorset countryside (venue confirmed on booking)
Small residential with yoga, sound and wild swims; onsite sauna access noted.
👉 Details
Forest Sauna Day — Happy River
📅 Sun 7 December 2025 09:30–17:00
📍 Happy River Retreat, Wareham
A winter day built around wood fired heat, plume of cold and time in the trees.
👉 Details
Soul Medicine Solstice Special — Yoga Rave (Mellulah)
📅 Fri 12 December 2025 18:30–20:30
📍 Moreton, Dorset
Studio night of movement and sound ahead of the solstice week.
👉 Details
Soul Sister Sauna & Sea — Full Moon
📅 Wed 17 December 2025 17:50–19:30
📍 Studland Sauna Hut, Knoll Beach, Swanage
Women-only beach sauna with sea dip option, moon-aligned.
👉 Details
Winter Solstice Celebration Sound Healing Evening
📅 Wed 17 December 2025 19:00–20:30
📍 Moreton, Dorset
Focused sound bath to mark the turn; seats limited.
👉 Details
Studland Sauna Hut — Exclusive Hire
📅 December 2025 (Mon, Wed, Fri–Sun; other days by appointment)
📍 Knoll Beach, Swanage
Two beach huts facing Old Harry Rocks; step from heat to sand.
👉 Details
Saltwater Sauna — Festive Communal Sessions
📅 Mid–late December 2025 (multiple sittings)
📍 Sandbanks Beach, Poole
Holiday communal rounds on the sand; book early.
👉 Details
Saltwater Sauna — Xmas Private Sessions
📅 Late December 2025 (release via booking page)
📍 Sandbanks Beach, Poole
65-minute private heats sized for groups; sea access steps away.
👉 Details
Shoreline Sauna — Beachside Sessions
📅 December 2025 (Thu–Sun typical; check calendar)
📍 Sandy Beach, Lyme Regis
Cedar cabin on the sand; private and communal formats.
👉 Details
The Island Sauna — Shoreside Sauna & Soundbath
📅 December 2025 (evening dates released in runs)
📍 Portland Castle shore, Portland
Evening sauna with sound on the harbour edge; tea and simple bites.
👉 Details
Revive Wild Sauna — Weymouth Beach
📅 December 2025 (regular slots)
📍 Pier Bandstand, Weymouth
Glass-backed mobile sauna on the prom for winter season.
👉 Details
The Forest Sauna — Private Sauna & Plunge
📅 December 2025 (daily by booking)
📍 Wareham Forest
Secluded wood fired heat with plunge and jungle shower.
👉 Details
The Forest Sauna — Events Programme
📅 December 2025 (Sauna & Breakfast / Sauna & Supper dates released)
📍 Wareham Forest
Small public events with simple dining outdoors under cover.
👉 Details
Happy River — Forest Sauna (65-minute slots)
📅 December 2025 (by booking)
📍 Wareham
Woodland heat with plunge; minimal, calm and direct.
👉 Details
Sorelle — Sauna Hug
📅 December 2025 (selected evenings and weekends)
📍 Motcombe, North Dorset
Nordic-inspired wood fired cabin with cold water plunge on a working farm.
👉 Details
New Year’s Sauna — Private Holiday Sessions (Saltwater)
📅 Wed 31 December 2025 & Thu 1 January 2026
📍 Sandbanks Beach, Poole
Close the year hot, open the year cold; 65-minute group slots.
👉 Details
Co-Create Your Year Ahead (Mellulah)
📅 Sat 3 January 2026 14:00–16:00
📍 Moreton, Dorset
Studio afternoon to set intentions and reset gently after the turn.
👉 Details
Luxury Sauna & Dip Retreat (The Wild Swimming Co.)
📅 Fri 9–Sun 11 January 2026
📍 Kingston Country Courtyard, Purbeck
Jurassic Coast base with guided dips and access to sauna between sessions.
👉 Details
Happy River — Group Reiki & Sauna
📅 Fri 16 January 2026 18:00–20:00
📍 Happy River Retreat, Wareham
Evening of gentle practice followed by heat and plunge.
👉 Details
New Year Retreat, Dorset (Tranquil Flow Yoga)
📅 Fri 2–Mon 5 January 2026
📍 Rural Dorset (retreat venue, sauna & pool)
Three-night winter reset with access to indoor pool and sauna.
👉 Details
Winter Yoga Retreat with Spa & Saunas (Great Yoga)
📅 Thu 22–Sun 25 January 2026
📍 Dorset countryside venue
Residential weekend with use of spa facilities including wood fired and infrared sauna.
👉 Details
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Venue Spotlight
The Forest Sauna (Wareham Forest)
A timber cabin sits in a clearing, dark-honey cladding outside and warm cedar within. The stove builds clean heat; a glazed door looks onto pines. Outside you step to a cold plunge and a jungle shower under the canopy. Light is soft, the air still.
The cadence runs hot, cold, rest on a simple loop and suits two to six with ease. Private bookings keep the rhythm yours; event formats add breakfast or supper in the covered dining nook, which holds steady under rain and collects dusk at the edges.
What this place does best is pace. You arrive, breathe forest, and feel time lengthen without fuss. It’s a Dorset expression of sauna that keeps design quiet and the elements close.
More: theforestsauna.com
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Closing Note
December sharpens our coast. Choose a slot by sea or under trees, keep your towel and a flask in the car, and let heat and water carry you through the short days. If a date fits, book it now and leave room for one early-January hour to start the year right.