Like with any sort of kayaking or boating in National Parks ... Teton National Park must be permitted (SUPs and canoes too).

South of Yellowstone and in the northwest corner of Wyoming, Grand Teton National ... Kayak, canoe and motor boat rental—Rent a boat by the hour from marinas at Jenny Lake, Colter Bay Village ...

There are 44 named lakes in Grand Teton National Park (and countless ... first served at Colter Bay Marina. Boat rentals are generally available daily from late-May through mid-August.