Tournesol Idstein Betriebs

What Tournesol Idstein Betriebs does

Tournesol Idstein Betriebs operates a single-site leisure and wellness complex at Weldertstr. 7, Idstein, Germany, combining indoor and outdoor swimming pools, a 2,500 m² sauna landscape, a 380+ m² fitness studio, and a Beauty & Wellness SPA under a distinctive movable dome roof (Kuppeldach). The facility is owned by Idsteiner Sport- und Freizeitanlagen GmbH, a municipal entity of the town of Idstein, and professionally operated by GMF GmbH & Co. KG under the 'managed by GMF' brand — a network of 21 leisure facilities serving 6+ million visitors annually across Germany and abroad. Core technology centers on third-party smart-fitness integrations (EGYM smart strength and training-curve equipment, Smart Flex mobility devices, STAR TRAC and Concept 2 cardio, Technogym training station) and a proprietary online booking portal (booking.tournesol-idstein.de) that handles day tickets, subscriptions, prepaid stored-value cards, courses, and premium-suite reservations. The facility also operates a ClickShare-equipped 130 m² conference room, Sharemagazines digital reading service, EGYM-tracked personal training plans, two on-site bistros (Saunabistro, Badbistro), an EV-charging partnership with ESWE Versorgungs AG, and integration with the idsteincard municipal loyalty program.

The business model is a multi-stream consumer revenue architecture: high-volume one-time revenue from day-entry tickets (€5-€43 swimming, €24-€43 sauna, €31-€43 combined) and course/annex sales (swimming school, beauty treatments, conference room €200-€300/day, cabanas and premium suites), complemented by recurring revenue from 6- and 12-month Abonnements (€69-€129/month across Vital/Relax/Flex time tiers and Bath/Sauna/Fitness area combinations), reloadable Auszeit-Karten stored-value cards (Silber €100 / Gold €250 / Platin €500), and a €6.50/month Bodyshake subscription. Primary customer segments are families with children, individual wellness seekers, and fitness enthusiasts, with secondary segments of swimming learners, schools/DLRG, and corporate clients (the latter supported by up to €50/month employer subsidies). Distribution is direct-to-consumer through walk-in sales, the booking portal, and partnerships (idsteincard, ESWE), with marketing concentrated on the company website, email newsletter, Facebook/Instagram, WhatsApp, and local community events.

The facility underwent a multi-year disruption: an early-2023 fire damaged the indoor pool and dome, leading to a partial reopening on 2024-06-27 (fitness, sauna, wellness), outdoor-pool reopening in May 2025, a successful cupola test run in October 2025, and full reopening on 2026-04-29 with a #WirTauchenWiederAuf promotional campaign. Recent strategic emphasis is on upmarket product extensions (Premium Suites, Konferenzraum, Bodyshake subscription), family acquisition (Solfini Kids Club, Kinder Ferienkarte), and ecosystem integrations (idsteincard, ESWE EV charging), executed by a lean management team led by Betriebsleiter Eric Heller and overseen by Idsteiner Sport- und Freizeitanlagen managing directors Jörg Jansen and Gerhard Dernbecher.

Name

Tournesol Idstein Betriebs

Legal name

Idsteiner Sport- und Freizeitanlagen – GmbH

Website

https://tournesol-idstein.de

Company type

Private

Founded year

2009

Operating status

Operating

Headcount range

51–100 employees

Short description

Tournesol Idstein Betriebs is a municipally owned leisure and wellness facility in Idstein, Germany — operated by GMF GmbH & Co. KG — combining indoor/outdoor pools, a 2,500 m² sauna landscape, a smart-equipped fitness studio, and a beauty spa under a movable dome roof, serving families, wellness seekers, and fitness enthusiasts via day tickets, subscriptions, and prepaid cards.

Ownership category

akta.pro rank

Product category

Leisure & Wellness Facility

NAICS

Fitness and Recreational Sports Centers (713940)

SIC

Services-Amusement & Recreation Services (7900)

akta.pro primary industry

Luxury Wellness & Spa Resorts (THAGACAG)

akta.pro secondary industries

Private Wellness & Retreat Experiences (Personalized Spa, Yoga, Healing) (THAJALAI), Hot Springs, Lagoons & Water-Based Wellness (Thermal Pools, Floating Spas) (THAJAJAN)

Keywords

• Swimming pool facilities
• Wellness spa services
• Fitness center operations
• Sauna landscape services
• Leisure recreation center

Headquarters

HQ city

Idstein

HQ country

Germany

HQ region

Europe

Offices1 record

Markets served

GTM type

B2C

Offering type

Services

Cost components

Personnel, Operations, Infrastructure, Technology or R&D, Marketing or Sales, Supply Chain

Revenue model

1. Day Tickets and Admissions: Revenue from single-entry tickets for swimming, sauna, fitness, and combined packages. Pricing varies by duration (60 min, 2 hours, 4 hours, full day) and customer category (adults, reduced, children, families).
2. Subscriptions (Abonnements): Monthly subscription packages offering combinations of swimming, sauna, and fitness access with three time models (Vital until 3:30 PM, Relax from 3:30 PM, or Flex full-day access). 6 or 12 month contract terms available.
3. Auszeit-Karten (Prepaid Cards): Reloadable prepaid cards in Silver (100€), Gold (250€), and Platin (500€) tiers providing discounts on day entries, beauty treatments, and specialty coffees with no contract commitment.
4. Beauty & Wellness Treatments: Revenue from massage services, facial treatments, hand and foot care, and specialized wellness applications including hot stone and detox massages.
5. Food & Beverage: Cafeteria and bar services including Saunabistro (pizza, wraps, baked potatoes), Badbistro (burgers, fries, salads, pasta), and beverage sales throughout the facility.
6. Swimming School Courses: Revenue from organized swimming lessons for children and adults, including baby/toddler swimming, children's swimming levels, adult beginner courses, crawl courses, and aqua-fitness classes.
7. Conference Room Rental: Corporate meeting and conference facilities renting at 200€ for up to 6 hours or 300€ for longer periods, with optional beverage and snack packages.
8. Premium Suites: Premium sauna suite rentals offering private daybeds, panoramic views, Nespresso machines, tablet devices, and exclusive towel service for enhanced sauna experiences.
9. Bodyshake Subscription: Monthly protein shake subscription at 6.50€ per month providing one daily protein shake at half price.
10. Gift Boxes and Products: Sale of gift boxes for spa experiences and merchandise including Tournesol BlenderBottles and towels for swimming, sauna, and fitness.

Pricing tiers

Go-to-market motion1 record

Distribution channels3 records

Marketing channels5 records

Core offering

Tournesol Idstein Betriebs operates a comprehensive leisure and wellness facility in Idstein, Germany, offering indoor and outdoor swimming pools under a unique retractable dome, a 2,500 m² sauna landscape, a fitness studio, a Beauty & Wellness SPA, swimming school courses, on-site dining, conference rooms, premium suites, and a kids club. The facility sells day tickets, multi-area subscriptions, reloadable prepaid Auszeit-Karten, beauty treatments, and event packages to individual consumers and corporate clients in the Hessen region.

Product overview

Tournesol Idstein is a leisure facility operated by Idsteiner Sport- und Freizeitanlagen GmbH under GMF management, offering a unified family recreation destination under a unique retractable dome roof. The core product portfolio consists of four integrated areas: an indoor and outdoor swimming pool (Bad) with sport, leisure, and children's pools plus water slide; a 2,500 m² sauna landscape (Saunalandschaft) with both indoor and garden areas; a modern fitness studio (Fitnessstudio) with smart EGYM equipment and personal training; and a Beauty & Wellness SPA (Beauty & Wellness) offering massages and treatments. These core areas are supported by add-on services including the Sol Schwimmschule (swimming school), subscription packages (Abonnements) in Vital/Relax/Flex tiers, prepaid Auszeit-Karten (time-out cards) in Silber/Gold/Platin tiers, Premium Suites and Cabanas for private relaxation, the free Solfini Kids Club for children up to 12 years, a Konferenzraum (conference room) with modern AV equipment, themed Events & Aktionen (events) such as midnight sauna nights and Sunday breakfasts, a Bodyshake protein subscription, and the Sharemagazines digital reading service. An Online Booking Portal (Tournesol Booking) serves as the unified ticketing and membership platform. Two on-site bistros (Saunabistro and Badbistro) provide food and beverage service. The facility integrates with idsteincard for loyalty points and EGYM for fitness training data.

Differentiator

Problem solved

Functional benefit

Brands

• managed by GMF: Operating brand under GMF GmbH & Co. KG for leisure facilities
• Solfini Kids Club
• Sol Schwimmschule
• Saunabistro
• Badbistro
• Bodyshake-Abonnement
• Sharemagazines

Products and services

• Bad (Swimming Pool / Bathing Area) Indoor and outdoor swimming pool facility under a unique retractable dome roof, featuring sport and leisure pools, hot whirlpool, children's paddling pool with sand play area, tube slide, pool bar, and large sunbathing lawn. Open to day visitors, subscribers, and families.
• Saunalandschaft (Sauna Landscape) 2,500 m² sauna facility including indoor saunas (Finn, Tropen, Wüsten, Sinnes-Sphäre/Laconium, Aromadampfbad, Salarium), experience showers, infrared cabins, snow shower, and an outdoor Saunagarten with Panoramasauna, bio pond, bubble pool, and barefoot path. Separate textile-free zone for guests aged 12 and older.
• Fitnessstudio (Fitness Studio) 380+ m² fitness studio equipped with EGYM and eFLEXX smart strength equipment, Smart Flex mobility devices, Technogym free weights and training stations, STAR TRAC and Concept 2 cardio equipment, and E-Spinner bikes. Offers individual training programs, personal training, body analysis, and group fitness classes including strength, endurance, yoga, and Step&Dance.
• Beauty & Wellness SPA Beauty and wellness spa offering facial treatments, hand and foot care, classic massages, hot stone massage, connective tissue massage, detox massage, and other body treatments. Available to all guests regardless of bath, fitness, or sauna access.
• Sol Schwimmschule (Swimming School) Swimming school offering lessons for children and adults, including baby/toddler swimming, level-based children's courses (Beginner levels 2-4, Advanced levels 5-7), competitive swimming training, adult beginner courses, crawl courses, and aqua-fitness classes.
• Abonnements (Subscriptions) Recurring subscription packages combinable across three time models (Vital until 15:30, Relax from 15:30, Flex all-day) and three areas (Bath, Sauna, Fitness), with 6 or 12 month terms and corporate subscription options supporting employer subsidies up to 50 EUR per month.
• Auszeit-Karten (Time-Out Prepaid Cards) Reloadable prepaid cards in Silber (100 EUR), Gold (250 EUR), and Platin (500 EUR) tiers, providing discounts on day entries, beauty and wellness treatments, specialty coffees, and (Platin tier) swimming courses. Unlimited validity, no contract commitment.
• Premium Suites & Cabanas Exclusive private suites for sauna guests featuring personal daybed, two lounge chairs, 75-inch display with nature footage, Nespresso coffee, tablet with Sharemagazines access, loan towels, and panoramic sauna views. Also includes cabanas in the outdoor pool area for families, couples, and friends.
• Solfini Kids Club Free membership club for children up to 12 years featuring the dolphin mascot Solfini. Includes welcome package with t-shirt, birthday greetings, and regular adventure story chapters with coloring pages.
• Konferenzraum (Conference Room) 130 m² conference and meeting room accommodating up to 50 persons. Equipped with LED wall, ClickShare wireless content sharing, modern video and audio system, whiteboard/flipchart, and a collaboration table with inductive charging. Catering services with beverage and snack packages available.
• Events & Aktionen (Events & Promotions) Calendar of themed events and promotions including Mitternachtssauna (midnight sauna) nights with themed Aufgüsse and culinary highlights, Sunday breakfast in the sauna, and outdoor pool events.
• Bodyshake-Abonnement Protein shake subscription priced at 6.50 EUR per month, providing one daily protein shake at 50% discount regardless of protein gram amount. Available through reception or trainers.
• Online Booking Portal (Tournesol Booking) Online booking system for purchasing day tickets, booking courses and treatments, buying gift vouchers, subscribing to memberships, and reserving Premium Suites, cabanas, and conference rooms. Supports gift boxes and merchandise including Tournesol BlenderBottle and towels.
• Saunabistro Sauna-area bistro serving Pinsa-style pizza, baked potatoes, fresh wraps, and snacks. Also offers Sunday breakfast in the sauna from 9:30-12:30 with bread, salmon, bowls, and more.
• Badbistro Pool-area restaurant serving burgers and fries, fresh salads, pasta, and snacks, with an umbrella bar on the terrace in the outdoor pool area.

Quantifiable outcome

• Kinder Ferienkarte pays for itself after 6 visits during summer holidays
• +1 more outcomes

Named customers3 records

Segments5 records

Ideal customer profiles4 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Integration2 records

Feature4 records

Partnerships

Three partnerships are on record, tiered minor and core.

• ESWE Versorgungs AGminorOthers · 29 November 2024ESWE Versorgungs AG installed two EV charging stations at Tournesol Idstein's covered parking area, with one station serving electric cars and another for e-bikes. The partnership supports sustainable mobility for facility visitors while generating additional foot traffic.
• idsteincard e.V.coreGTM or Marketing Partner · 14 May 2024Tournesol Idstein joined the idsteincard loyalty program, allowing customers to earn and redeem points at the facility. This partnership integrates the leisure facility into Idstein's broader merchant network, enhancing customer value through cross-business promotions.
• GMF GmbH & Co. KGcoreImplementation/ SI/ Consulting PartnerGMF GmbH & Co. KG is the operating company ('Betriebsführer') managing Tournesol Idstein under the 'managed by GMF' brand. GMF operates 21 leisure facilities across Germany and internationally, welcoming over 6 million visitors annually. The company has over 30 years of experience in leisure facility management and provides professional services including operational expertise, quality assurance, and guest safety standards.

Scale indicators5 records

Recent moves11 records

Expansion highlights5 records

Direct peers

• Therme Erding: World's largest thermal spa complex near Munich, Germany, operating thermal pools, 30+ saunas, fitness, wellness/spa, F&B, and events under one roof. Closest direct comparable to Tournesol Idstein's combined Bad/Sauna/Fitness/Beauty-Wellness model at a larger scale.
• Miramar Weinheim: German Freizeitbad in Weinheim combining indoor/outdoor pools, extensive sauna landscape, and wellness services. Direct comparable mid-sized German leisure/water-wellness destination competing for similar day-trip and subscription customers.
• Badeparadies Schwarzwald: Wellness and water park in Titisee-Neustadt, Germany, offering indoor pools, multiple saunas, palm-beach spa areas, and wellness treatments. Closely comparable German day-resort/spa-leisure combination in a regional catchment.
• Tropical Islands: Indoor tropical resort in Krausnick (Brandenburg) featuring pools, sauna landscape, wellness treatments, and themed indoor beach/water experiences. Comparable as a destination leisure complex combining aquatic, sauna, and wellness under an iconic architectural envelope.

Broad incumbents

• Center Parcs Deutschland: European family resort chain (Dutch-owned) with multiple German parks offering accommodation, water park (Aqua Mundo), wellness, and family activities. Broader incumbent that overlaps with Tournesol on family leisure and wellness, but adds overnight lodging in its offering.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat5 records

Key risks5 records

Key highlights6 records

Customer concentration

• Xinstagram.com/tournesol_idstein
• Facebookfacebook.com/tournesol.idstein
• Instagraminstagram.com/tournesol_idstein
• LinkedInlinkedin.com/company/tournesol-idstein

Revenue estimate

Valuation estimate

Number of profiles

Profiles3 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Tournesol Idstein Betriebs