The house is in the seaside resort of Lignano Sabbiadoro on the Adriatic sea, situated at half way between Venice (67km) and Trieste (54km), not far from the historical city of Aquileia, with its Roman remains and beautiful mosaics.
The house is at the end of a small street, at the border of a pinewood. The beach is 5 min walk only, as some shops and restaurants. At 10 min. by bike you can find lots of life, shops, bars, restaurants, etc. 
Lignano Riviera is the quieter part of the town, near the river Tagliamento. Nearby there are a lot of tourist facilities : golf course, zoo, thermae, aquatic theme park, fun parks for all ages, cycle paths (along the river, on the border of the lagoon, or through the pinewoods), boat cruises (to the isle of shells, to the fisher village of Marano or to the old town of Grado), etc.
The sandy beach , 8km long, is fully equipped. The house  surrounded by pines  is equipped with fly screens, and is fully air conditioned. It has 3 bedrooms, 1 bathroom, a livingroom with cooking corner and a veranda where you can have your meals or just sit and relax . There are 4 bikes,  water beds, beach umbrellas and various beach games for children .
Teenagers looking for fun can go to the liveliest parts of the town,Lignano Pineta or Sabbiadoro, where they can enjoy plenty of events, concerts, discos etc. or they can enjoy beach life with crowds of young people .
Here are some links with info about Lignano and popular places : www.lignanosabbiadoro.com; www.lignanosabbiadoro.it/en/ ; www.tendabar.it
I'm a teacher (60 y) and I would travel with 1 or 2 friends of mine and my son Lorenzo (19).
My usual exchange period is between 15th July and 20th August.