The phrase "adventure boat" is correct and usable in written English.
It can be used to describe a boat that is specifically designed for adventurous activities, such as exploring, traveling, or engaging in water sports.
Example: "We rented an adventure boat to explore the hidden coves and enjoy a day of kayaking and snorkeling."
Alternatives: "expedition vessel" or "exploration boat".
An otherwise pleasurable adventure by boat, past hidden grottoes and fantastic rock formations, included a stop at the Blue Grotto, an amusingly weird experience.
I actually looked into that last year since I thought it could be a fun adventure, a boat from New York to London.
Whale and dolphin excursions also provide a fun and relaxing family adventure, with boats departing every day of the week.
An hour earlier, I had boarded the Eco-Adventures dive boat at the Kailua town pier, in front of the old sea wall across from the Hulihee Palace.
You feel as if you're off on this great adventure, navigating boats, snorkeling the Great Barrier Reef on your own recognizance — and you are, except that dozens of others are out there doing it with you, people you see only from a distance either under sail or, occasionally, as you both explore the same beach.
For the fantasy of hearty sibling adventure on boats while we squabbled in the landlocked shires, The Famous Five – although the best thing about Enid Blyton was that she was so prolific, it meant you'd almost never run out of books.
It's a mini boat adventure, an endless trip of a few minutes".
For a little more adventure, take a boat trip to the desert island of Gramvousa or go paragliding in Agia Marina, a few miles to the east.
Next up it was Whitchurch and then Pangbourne, where an exhausted Jerome K Jerome ended his Three Men in a Boat adventure and where Kenneth Grahame of Wind in the Willows fame retired.
If onboard adventure floats your boat, look no further than Royal Caribbean International, known for first-at-sea activities like a surf simulator and a sky diving experience.
