Link to the airport bus website:

Airport bus - The nearest stop is Rica Grand Hotel. From there it's a few minutes walking up to the hotel through the street Strandskillet, which is a side street of the main street Storgata.

Link for ferries/Hurtigruten:

Hurtigruten – If you arrive in Tromsø by boat, just follow Fredrik Langesgate street until you get to Parkgata. (See the map)

If you arrive in Tromsø by bus to Prostneset bus terminal, follow the street Kaigata until you get to Fredrik Langes gate.

And then you follow Fredrik Langesgate till you get to Parkgata. (See the map)