Into The Woods located: Whippingham, Isle of Wight, UK website: Into The Woods Warm, comfortable new build treehouse, divided into two separate 'pods' – a living pod with kitchen area, dining table, benches, sofa and logburner; and a sleeping pod with two bedrooms and a family bathroom. From the living pod French doors lead out onto a sunny decked area for relaxation and outside eating.
Kadir's Tree House
located: Antalya, Olympos, Turkey website: Kadir's Tree House Unusual hostel accommodation on Turkey's Mediterranean coast. A choice of accommodation is available, both dorm and private, including an opportunity to live every kid's dream of sleeping in a real treehouse; alternatively you can spend a night of comfort in one of the well appointed bungalows.
Keycamp
located: France (various locations) website: Keycamp Tree Houses Self-catering family tree houses on six sites in France; they are available on two sites in Brittany, on a site near Paris, and on sites in the Vendée, Loire and Jura. Each thatched roof tree house has been constructed around the trunk of a tree, with access is via a spiral staircase. They have a large decked terrace and come equipped with four single beds and one double.
La Cabane Du Reveur located: Tolla, Corsica, France
website: La Cabane Du Reveur Catered tree house/cabin for two perched up among the trees beside Lake Tolla. This comfortable cabin has large picture windows, a double bedroom with shower, a WC, a living room and a unique location! There is no kitchen, but a cook will come each evening to prepare meals (catering charged on site). This is an ideal spot for a multitude of activities including quad biking, canyoning, kayaking and cycling.
Le Nid located: Malestroit, Morbihan, Brittany, France website: Le Nid Ideal for nature lovers, this single bedroom tree house for two is set in a Breton wildlife haven. The cabin is built between large oaks, on a framework of green chestnut and is clad in Douglas Fir. It has a fitted kitchen, spacious living/dining area, bathroom, mezzanine deck with double bed, and amazing views. The house is in 6 acres of woodland with its own fishing lake and a stretch of private riverbank.
Red Letter Days located: Machynlleth, Powys, Wales, UK website: Treehouse for 2 or Family Treehouse State of the art designer treehouses on the edge of Snowdonia National Park. Each of these cosy treehouses, is highly insulated and includes a specially designed wood burning stove which heats a spring water shower, a large hotplate/kitchen area, solar/wind-up lighting, comfortable beds and retro furniture. Suitable for a family of four, or as a unique romantic retreat for a couple.
Sherwood Forest Lodges – Golden Oak Plus Treehouse located: Sherwood Forest, Edwinstone, Nottinghamshire, UK website:Golden Oak Lodge/cabin accommodation in a Sherwood Forest Holiday Park. The 10-person lodges in this park include a bridge connection from the luxury cabin to a double bedroomed treehouse with its own shower room. The high quality cabin includes an ensuite master double, a double, two twin rooms and two bathrooms. There is also a large terrace with private outdoor hot tub.
Treehouse (The)
located: WestHayes, Taunton, Somerset, UK website: The Treehouse A stunning, self-catering five star treehouse holiday home! A fairytale exterior leads into a spacious interior, sleeping up to five people in two bedrooms. This unique treehouse to rent is located in an area of outstanding natural beauty, in the beautiful conservation village of Halse, Somerset, between Exmoor and the Brendon, Blackdown and Quantock Hills.
Tree House (The) located: Courties, Marciac, Gers, Midi-Pyrenees, France website: The Tree House Tree house self-catering sleeping 4/6 in two bedrooms, located in in beautiful forest, just 10 mins from the pretty village of Marciac. There's a living room with woodburner, kitchen, bathroom (with compost toilet), electricity, hot/cold running water and a washing machine. Outside is a large terrace with woodland views.
And for something rather special:
Tree Hotel (The)
located: Harads, Lapland, Sweden website: treehotel.se
A unique concept hotel in the Boreal Forest, deep in Swedish Lapland. It is made up of five environmentally friendly luxury tree houses, each one with a different contemporary design and each one created by a different architect. They consist of a Mirrorcube with it's mirrored walls reflecting the pine woodland around it and which offers the flag-ship accommodation; as well four additional tree-houses named: Nest, Blue Cone, Cabin and UFO – additional tree house rooms are planned over the next five years. The hotel complex also provides a sauna and hot tub, and a dining room which accommodates up to fifteen people. Take a look at the video:
Free Spirit Spheres
located: Vancouver Island, Canada. website: freespiritspheres.com
Another amazing take on treetop accommodation, stay in the trees in a handcrafted wooden sphere suspended from a web of ropes in the tall trees of the West Coast rainforest of Vancouver Island. Three of these beautiful little pods are available for overnight rental, try Eve, Eryn or Melody. The spheres were inspired by the design of yachts and in fact the pods sway gently in the winds in a similar way to a boat. The pods are accessed by spiral stairways and bridges. Take a look at the video:
– More places to stay in treehouses –
Treehouse France
located: Gers, Gascony, France website: treehousefrance.com
Self-catering treehouse holiday accommodation near Marciac village, in Gers, Gascony, for up to six people. The tree house has two bedrooms, a living room, kitchen, bathroom and a big terrace. There is also running water, electricity and a compost toilet.
Into The Woods
Warm, comfortable new build treehouse, divided into two separate 'pods' – a living pod with kitchen area, dining table, benches, sofa and logburner; and a sleeping pod with two bedrooms and a family bathroom. From the living pod French doors lead out onto a sunny decked area for relaxation and outside eating. 
Unusual hostel accommodation on Turkey's Mediterranean coast. A choice of accommodation is available, both dorm and private, including an opportunity to live every kid's dream of sleeping in a real treehouse; alternatively you can spend a night of comfort in one of the well appointed bungalows.
Self-catering family tree houses on six sites in France; they are available on two sites in Brittany, on a site near Paris, and on sites in the Vendée, Loire and Jura. Each thatched roof tree house has been constructed around the trunk of a tree, with access is via a spiral staircase. They have a large decked terrace and come equipped with four single beds and one double.
Catered tree house/cabin for two perched up among the trees beside Lake Tolla. This comfortable cabin has large picture windows, a double bedroom with shower, a WC, a living room and a unique location! There is no kitchen, but a cook will come each evening to prepare meals (catering charged on site). This is an ideal spot for a multitude of activities including quad biking, canyoning, kayaking and cycling.
Ideal for nature lovers, this single bedroom tree house for two is set in a Breton wildlife haven. The cabin is built between large oaks, on a framework of green chestnut and is clad in Douglas Fir. It has a fitted kitchen, spacious living/dining area, bathroom, mezzanine deck with double bed, and amazing views. The house is in 6 acres of woodland with its own fishing lake and a stretch of private riverbank. 
State of the art designer treehouses on the edge of Snowdonia National Park. Each of these cosy treehouses, is highly insulated and includes a specially designed wood burning stove which heats a spring water shower, a large hotplate/kitchen area, solar/wind-up lighting, comfortable beds and retro furniture. Suitable for a family of four, or as a unique romantic retreat for a couple.
Lodge/cabin accommodation in a Sherwood Forest Holiday Park. The 10-person lodges in this park include a bridge connection from the luxury cabin to a double bedroomed treehouse with its own shower room. The high quality cabin includes an ensuite master double, a double, two twin rooms and two bathrooms. There is also a large terrace with private outdoor hot tub.
A stunning, self-catering five star treehouse holiday home! A fairytale exterior leads into a spacious interior, sleeping up to five people in two bedrooms. This unique treehouse to rent is located in an area of outstanding natural beauty, in the beautiful conservation village of Halse, Somerset, between Exmoor and the Brendon, Blackdown and Quantock Hills.
Tree house self-catering sleeping 4/6 in two bedrooms, located in in beautiful forest, just 10 mins from the pretty village of Marciac. There's a living room with woodburner, kitchen, bathroom (with compost toilet), electricity, hot/cold running water and a washing machine. Outside is a large terrace with woodland views.