wWe are going to do a boat excursion to see dolphins and others marine animals. We are going to do a boat excursion to see dolphins and others marine animals.

wWe are going towill go on a boat excursion to see dolphins and others marine animals. We will go on a boat excursion to see dolphins and others marine animals.

wWe are going to a boat excursion to see dolphins and others marine animals. We are going to a boat excursion to see dolphins and other marine animals.

wWe are going to join a boat excursion to see dolphins and others marine animals. We are going to join a boat excursion to see dolphins and other marine animals.

Also we are going to practice watersports, like surfing and snorkeling. Also we are going to practice watersports, like surfing and snorkeling.

Also we are going tWe will also practice watersports, like surfing and snorkeling. We will also practice watersports, like surfing and snorkeling.

"Practice" could be wrong or right depending on whether you have done them before or not. Practice is repeating something you have already learned or done before. So if you are going to do them for the first time, you would just say "We will also do watersports".

Also we are going to practicdo some water sports, like surfing and snorkeling. Also we are going to do some water sports, like surfing and snorkeling.

"Practice" makes it sound like you do the sports regularly, but "do" doesn't convey that.

Also, we are going to practice watersports, like surfing and snorkeling. Also, we are going to practice watersports, like surfing and snorkeling.

One night, we are going to do a bonfire in the beach and tell histories below the stars. One night, we are going to do a bonfire in the beach and tell stories below the stars.

One night, we are goplanning to do a bonfire ion the beach and tell histories below the stars. One night, we are planning to do a bonfire on the beach and tell stories below the stars.

One night, we are going to do a bonfire in the beach and tell histories below the stars. One night, we are going to do a bonfire in the beach and tell stories below the stars.

One nightAlso, we are going to dothrow a bonfire in the beach and tell histories below the stars. Also, we are going to throw a bonfire in the beach and tell histories below the stars.

BesidesAlso, we are going to visit someones tourist places ofin the zonearea. Also, we are going to visit some tourist places in the area.

BesidesAlso, we are going to visit someones tourist places ofattractions in the zonearea. Also, we are going to visit some tourist attractions in the area.

Besides that, we are going to visit someones tourist places ofin the zonearea. Besides that, we are going to visit some tourist places in the area.

Besides, wWe are going to visit someones tourist places of the zone.tourist sites. We are going to visit tourist sites.

We are going to explore the local market, where we are going to buy gifts and provetry the typical food. We are going to explore the local market, where we are going to buy gifts and try the typical food.

We are going to explore a local market, where we are going to buy gifts and provtaste the typical food. We are going to explore a local market, where we are going to buy gifts and taste the typical food.

I think I understand what you mean by "typical" here-- you want to try food that is usually eaten in that area. But it is not natural English to say "typical food" when referring to a place's representative food. Instead, an often used word is "specialties" ("taste the local food specialties").

We are going to explore a local market, where we are going to buy gifts and prove the typitry local food. We are going to explore a local market, where we are going to buy gifts and try local food.

We are going to explore the local market, where we are going to buy gifts and provetry the typical food. We are going to explore the local market where we are going to buy gifts and try the typical food.

Everyone wereis very excited and, count ofing the days for the holidays to arrive. Everyone is very excited, counting the days for the holidays to arrive.

Everyone wereis very excited and is counting down the number of days before the holidays to arrive. Everyone is very excited and is counting down the number of days before the holidays arrive.

Everyone wereis very excited and count ofing the days foruntil the holidays to arrive. Everyone is very excited and counting the days until the holidays arrive.

Everyone wereis very excited and count ofing down the days for the holidays to arrive. Everyone is very excited and counting down the days for the holidays to arrive.

My brothers and I go twill go swimming in the sea and build castles of sand. My brothers and I will go swimming in the sea and build castles of sand.

or "sandcastles"

My brothers and I go twill go swimming in the sea and build sandcastles of sand. My brothers and I will go swimming in the sea and build sandcastles.

I think you should add some transition word like "then" or "after" because you started off saying "on the first day", indicating some order of events.

My brothers and I will go to swimming in the sea and build sand castles of sand. My brothers and I will go to swim in the sea and build sand castles.

My brothers and I go twill go swimming in the sea and build sandcastles of sand. My brothers and I will go swimming in the sea and build sandcastles.

Seventh entry Seventh entry

the nNext summer, my family and I will go to the beach. Next summer, my family and I will go to the beach.

the nNext summer, my family and I will go to the beach. Next summer, my family and I will go to the beach.

the nNext summer, my family and I will go to the beach. Next summer, my family and I will go to the beach.

the nNext summer, my family and I will go to the beach. Next summer, my family and I will go to the beach.

We gowill stay for one week in a hotel near tohe sea for one week. We will stay in a hotel near the sea for one week.

We gowill stay for one week in a hotel near tohe sea for one week. We will stay in a hotel near the sea for one week.

We gowill stay for one week in a hotel near tohe sea. We will stay for one week in a hotel near the sea.

We gowill stay for one week in a hotel near tohe sea. We will stay for one week in a hotel near the sea.

The first day, we are going to relax and enjoying of the sun in the beach. The first day, we are going to relax and enjoy the sun in the beach.

TOn the first day, we are going to relax and enjoying of the sun ion the beach. On the first day, we are going to relax and enjoy the sun on the beach.

You can remove "on the beach", because you already said you'll be on the beach in the first sentence. Having it twice feels a bit awkward.

TOn the first day, we are going to relax and enjoying of the sun ion the beach. On the first day, we are going to relax and enjoy the sun on the beach.

The first day, we are going towill relax and enjoying of the sun ion the beach. The first day, we will relax and enjoy the sun on the beach.

DLater during the week, we are goplanning to do many more fun activities. Later during the week, we are planning to do many more fun activities.

I think it's best to include a transition like "later" or "then" before "during the week" because you are changing what you are talking about. The "many *more*" is for emphasizing the contrast.

We know that it will abe an incredible experience and l. Let's go enjoying every moments together! We know that it will be an incredible experience. Let's go enjoying every moment together!

We know that it will abe an incredible experience and let's gothat we will enjoying every moments together We know that it will be an incredible experience and that we will enjoy every moment together

We know that it will abe an incredible experience and let's gowe will enjoying every moments together. We know that it will be an incredible experience and we will enjoy every moment together.

We know that it will abe an incredible experience and let's gowe will enjoying every moments together We know that it will be an incredible experience and we will enjoy every moment together