Home FAQs
Get answers to the common questions relating to MDL and its products such as MDL Fitness, MDL Holidays, Otium and much more.
Marina Developments Limited (MDL) is one of the UK’s largest marina operators, offering berthing, boatyard services, fuel, and leisure facilities across the UK and Europe.
MDL operates 19 marinas and boatyards across the UK and Spain. See the full list here.
Anyone with a suitable vessel can berth at an MDL marina with annual, seasonal and visitor options available.
No membership is required, but berth holders automatically join Otium Rewards for points and discounts.
Otium is MDL’s exclusive loyalty programme, rewarding customers with points on berthing, fuel and services, redeemable for generous savings across our network and Otium Partners.
Annual, seasonal, and visitor berthing options, plus dry stack and superyacht berthing at select locations. See the full list of options here.
Yes, annual berth holders can enjoy reciprocal berthing at other MDL marinas, subject to availability.
Full-service pontoons, free Wi-Fi, showers, fuel, boatyard, car parking, restaurants, and 24-hour security are standard at most marinas.
Yes, visitor berths are available and include access to marina facilities.
A secure out-of-water storage system for motorboats up to 13m LOA, offering better protection and quick launch services. Find out more here.
Yes. Marinas with boatyards offer lift-outs, pressure washing and antifouling. You’ll also find a range of onsite tenants who can help with your boating needs.
You can book a lift-out in the marina of your choice by contacting the marina office directly or through MyMDL .
We have a wide range of winter offers available across our marinas. Please see the page here for full details.
Fees are based on vessel length overall (LOA) and vary by location and berth type.
Water, Wi-Fi, refuse disposal and parking are typically included (depending on the marina). Electricity and fuel are charged separately.
Yes, monthly payment plans are available at all marinas.
Yes. Otium members earn points that can be redeemed for savings, and seasonal offers such as summer and winter berthing discounts are also available.
Yes, marinas host social events, BBQs, and open days for berth holders and visitors. See the full list here.
A seasonal campaign encouraging berth holders to visit multiple marinas, collecting stamps for prize draws.
Keep an eye on our website and social channels for updates on Dock & Discover.
Yes, MDL Holidays operates at Mercury Yacht Harbour on the River Hamble and Woolverstone Marina on the River Orwell, with lodges, caravans, and touring pitches.
Yes, well-behaved pets on leads are welcome at most sites.
MDL promotes sustainable practices, such as recycling, solar power, Seabin installations, and electric charging points. Read more here.
Yes, electric charging is being introduced at selected marinas in our network.
Use the Get a Quote tool on the MDL website or contact your preferred marina directly.
Each marina has a dedicated phone and email listed on their page, plus we have a dedicated Contact page here.
Yes, all marinas are happy to arrange personal site tours.
We don’t hold the licences required to permit liveaboards due to Environment Agency stipulations. However, we do offer 5/7 High Leisure Moorings at Penton Hook and Chatham Maritime Marina. To confirm eligibility for the 5/7 scheme, we require proof of a utility bill, council tax and a bank statement. Find out more here.
Yes, all sites have 24-hour CCTV and gated pontoon access.
Yes, most marinas have on-site fuel stations or nearby sister marinas that have a fuel berth.
Many marinas host partner sailing schools offering RYA-accredited training.
Yes, most marinas feature waterfront dining, cafes, and bars for berth holders and visitors. See the selection here.
MDL Fitness is a 35-plus station gym with stunning sea views features the innovative SportsArt ECO-POWR™ cardio equipment which harnesses up to 74% of a user’s kinetic energy spent exercising, before converting it to utility grade electricity. The gym offers a welcoming environment for all fitness levels.
You’ll find MDL Fitness inside Queen Anne’s Battery marina, Plymouth, PL4 0LP. It is located just a short walk from the city centre and waterfront.
MDL Fitness is open to the general public as well as marina berth holders. Everyone is welcome to join from the age of 11 upwards.
The gym is open 7 days a week, with extended hours for members.
No, MDL Fitness is open to everyone. However, berth holders at Queen Anne’s Battery may enjoy exclusive membership discounts.
We offer Monthly, Annual, Junior and Day Pass options to suit all needs.
We now offer junior memberships for ages 11-15 when accompanied by a parent/guardian who is also a current member of the gym.
Peak membership offers 24/7 access. Off-peak access is available at any time except between 4pm and 9pm.
You’ll receive one month free for every friend who signs up, up to a maximum of eight friends (eight free months).
Membership prices vary depending on the plan. Visit our pricing section here.
Some memberships include a £10 joining fee. However, if you sign up for an Annual Membership, the joining fee is waived.
Yes. Memberships can be frozen or cancelled with notice.
Yes, you can come down and have a tailored gym tour and see if you like it.
Members receive a secure access QR code, allowing entry during operating hours.
Yes, the gym is staffed during core hours, with CCTV and secure entry in place at all times.
Yes. Day passes and guest visits are welcome. Guests will need to purchase a Day Pass, which can be done via this link.
Yes. MDL Fitness is part of the MDL Marinas group, offering customers access to high-quality, on-site fitness facilities.
Yes, Queen Anne’s Battery berth holders can enjoy 2 free memberships with the gym as long as they stay berthed with the marina.
Yes, look out for wellness challenges, charity events, and outdoor fitness days throughout the year.
Yes. We host a range of fitness classes, all of which can be viewed here.
You can sign up at the gym, call the Queen Anne’s Battery office, or visit the MDL Fitness website for more information.
Absolutely — drop by during staffed hours, and a member of the team will happily show you around the facilities.
You can reach the MDL Fitness team through the Queen Anne’s Battery reception or by emailing contact@mdlfitness.co.uk.
MDL Holidays offers luxury waterside accommodation at select MDL marinas, combining the freedom of the open water with comfortable on-land stays.
We currently have two UK holiday parks: Mercury Yacht Harbour & Holiday Park on the River Hamble and Woolverstone Marina & Lodge Park on the River Orwell.
Our parks are open to everyone — berth holders, families, couples and anyone looking for a relaxing break by the water.
Yes. Both holiday parks are family-friendly, offering spacious grounds, safe surroundings and plenty of nearby activities.
Yes. Selected accommodation at our holiday parks is pet-friendly, so your four-legged friends can join the adventure (a small charge may apply).
We offer a range of options, including luxury holiday lodges, static caravans, touring pitches for caravans and motorhomes, and unique water lodges (available only at Mercury Holiday Park).
Yes, all lodges and caravans include kitchens, bathrooms, heating, TV, Wi-Fi, and outdoor seating.
Yes, all bedding and towels are provided in lodges and static caravans. Touring guests should bring their own.
Yes, both sites have touring pitches with electric hook-ups, water points, and waste disposal facilities.
Yes, free Wi-Fi is available across most areas of the parks.
Facilities vary by location, but typically include shower and toilet blocks, laundry facilities, play areas and open green space, BBQ areas and picnic benches, free parking and more.
Yes, both sites have marina-side licenced restaurants, offering local food with stunning waterfront views.
Yes. Guests can enjoy boat trips, paddleboarding, kayaking and sailing directly from the marina.
Yes, electric vehicle charging is available at both locations.
You can book directly via the MDL Holidays website or call the park reception at Mercury or Woolverstone.
Check-in is usually from 3pm, and check-out is by 10am (times may vary by park). Early arrivals and late departures can be arranged at an additional cost.
We accept credit and debit cards, as well as online payments at the time of booking.
Yes. A deposit is required to secure your booking, with the remaining balance due before arrival.
Cancellation terms depend on your booking type. Please refer to your booking confirmation or our terms and conditions for full details.
Yes. We welcome group bookings, subject to availability and accommodation type.
Otium is MDL Marinas’ rewards programme, allowing you to earn points whenever you spend on marina services, berthing, fuel and more. It gives you savings and benefits across the MDL network.
Otium is free to join and open to everyone, whether you are a berth holder, a visitor or using MDL services for the first time.
You can join online here, or ask the marina office team to sign you up when visiting or booking a service.
No, Otium is completely free to join and use.
Otium points can be earned and redeemed at any MDL marina in the UK, as well as on selected services, boatyard work and MDL Holidays bookings. You can also use points with our Otium Partners, who offer savings on meals out, electronics, hotel stays, boat charters and more.
You’ll earn points automatically whenever you spend on qualifying products or services at participating MDL locations. This includes berthing, fuel, and boatyard services.
Points vary depending on the service. For example, you can earn up to 5% on berthing fees, 16% on fuel, 20% on visitor berthing and 22% on boatyard services. All points are deposited into your account within one month of purchase.
Yes. Annual and visiting berth holders earn points on their berthing fees and associated services.
Yes. Otium points are network wide, so you can earn and redeem points across all MDL sites.
No. As long as you remain an active Otium member and use your account regularly, points do not expire.
Points can be redeemed for discounts on annual berthing, fuel purchases, lift-outs, or other eligible MDL services.
Log in to your MyMDL account to view your balance and recent transactions.
Yes. You need a minimum of 10 points before redeeming, but you can also save them for larger discounts.
Yes, you can use your points to part-pay or fully pay for qualifying services.
Points are non-transferable and can only be used by the registered Otium member.