nabana no sato on Dec .31, 2016 -Jan. 1, 2017

Good Day Everyone,
We are planning to go to Nabana No Sato on the afternoon of Dec. 31, 2016 and we'll stay to watch the fireworks on New Years Eve - Jan. 1, 2016 and leave by 1am . Is it still possible to go back to our Hotel (Hotel Trusty Nagoya Sakae) by any means of transpo by this time?

Thank you and more power!

Yes you can.
by taxi until Kintetsu-Nagashima
then take Kintetsu train until Kintetsu-Nagoya.
finally take Nagoya city subway until Sakae.

I have checked the kintetsu line time in hyperdia, there are no more trains travelling past 12 midnight from kintetsu-nagashima to kintetsu-nagoya. i also checked the kintetsu website but it is all in Japanese. Is there special trip for the Holidays?

No worry, HyperDia database just update yet.
Kintetsu web already announced about this special over night operatings.
(calling 終夜運転 : syuu-ya unten)
http://www.kintetsu.co.jp/all_news/news_info/HPnennmatuyusou.pdf
Page 4 名古屋線/Nagoya line is so.
(20〜60min interval until 1st regular train/no exact timetable)

This is 2013-2014's at Ise-Nakagawa stn but not so big different.
https://goo.gl/un1dZ3 (watch by "full screen" mode)
Mid timetable 名古屋方面/for Nagoya(vertical wrighting) is so.

You mean Nagashima Spaland (Nagashima Onsen)? Nabana-no-sato will be closed at 21:00 pm on 31st December.

From Nagashima Onsen, there will be over night bus service directly to Nagoya Station.

0:30
1:00 1:30
2:00 2:20 2:40
3:00 3:20 3:40
etc.

check it on
http://www.nagashima-onsen.co.jp/cdnyparty/access.html/
Only in Japanese, though.