From nearest Campo Grande Metro station you have electrical bicycles that you can rent.
You pick it up at a dock station and you leave at another one at your destination.
And you can discover the city in a different way.
The front line near the river is a very nice trip to do.
Cycle lines are appearing all around Lisboa and even from metro da ameixoeira you can travel most of the time on it.
You can order it here: https://www.gira-bicicletasdelisboa.pt/passes-e-tarifarios/
and see the map of stations here.
Portugal has a long coast with many beaches.
Around Lisbon more than 20 beaches at less than 1 hour of travel by car.
You can see some description of the beaches in some other pages:
The Most Beautiful Beaches in Lisbon
A Guide To Lisbon’s Best Beaches
Don´t forget to protect from sun and adjust your protection to yourself.
Near the house you have some parks like the park from Museu do Trajo where you have a 60 m tall araucária.
Is a nice place in very hot days.
It is near Golf of Alcoutins.
Near the Ameixoeira Metro Station you have an small park.
For runing and jogging the Quinta das conchas has a 3 km perimeter and is at a little more than 1 km from the home.
Here you can see an aerial photo of the area.
Lisbon has many other parks where you can go.
Lisbon is full of monuments and history any connected to the Descobrimentos.
During this time portuguese ships went to all over the world.
Enjoy your stay.
Room with living room
In this room you have sofa and a large table and TV.
Room with closed balcony