Nagashima Spaland to Nabana no sato

1 a) Is there any bus from Nagashima
Spaland to Nabana no sato? If there is,
how frequent is the bus?
b) What time is the last bus and how much?

2) From Nabana no sato, what time is the
last bus to
a) Nagoya station and
b) Nagashima station?
c) how much is the bus fare for both a)
and b)?
d) Where to buy bus ticket at Nabana no
sato?
e) how frequent are buses to either
station?

Is there any bus from Nagashima
Spaland to Nabana no sato?

Yes, transportation basics are explained here:
http://www.japan-guide.com/e/e3313.html#jump_access

If there is,
how frequent is the bus?

Every 30 minutes. Here are the timetables in Japanese:
http://www.meitetsu-bus.co.jp/express/nagashimaonsen/

What time is the last bus and how much?

Departs Spaland at 20:58. 330 yen one way.

2) From Nabana no sato, what time is the
last bus to
a) Nagoya station and

At 21:05. They go to Meitetsu Bus Center near Nagoya Station.

b) Nagashima station?

Nagashima Station is served only during the winter illumination event from late October to late March. At other times, there is no bus connection to Nagasgima Station.

The last bus is at 21:05 on weekdays and at 22:00 on weekends. The timetable is here:
http://www.nagashima-onsen.co.jp/page.jsp?id=8556

c) how much is the bus fare for both a)
and b)?

1780 yen and 220 yen respectively.

d) Where to buy bus ticket at Nabana no sato?

On board of the bus. IC cards can be used on the bus to Meitetsu Bus Center. Probably also on the other one, but I am not sure.

e) how frequent are buses to either
station?

Every 30 minutes and every 20 minutes respectively.

Thanks Uji.
Do you have the bus timetable from Nabana no Sato to Meitetsu bus center?

The bus between Nagashima Spaland to Nanaba no sato continues to Nagoya. It is the same bus:
http://www.meitetsu-bus.co.jp/express/nagashimaonsen/

May I know if these routes are covered by the Donichi Eco Ticket ?

Thank you.

May I know if these routes are covered by the Donichi Eco Ticket ?

Donichi Eco Ticket (600 yen)
This one-day pass is valid only on Saturdays, Sundays, national holidays and on the 8th of every month. It provides unlimited use of subways and city buses (including the Meguru loop bus) on one calendar day. It is available at vending machines in major subway stations, at ticket counters and from bus drivers

May I know if these routes are covered by the Donichi Eco Ticket ?

In other words: no.

The buses around Nagashima Spaland are not Nagoya city buses. Nagasahima Spa and Nanaba no sato are not even located in Nagoya City.