I think that would work out fine on any boat. I have a larger one that I bought many years ago in a flea market that was manufactured back in the 1920s I think. It also comes apart for easy stowage. I don't think I've ever used it.
The stove-top oven that I've been using for many years on my boat is a Stanley Ovenette. I think it was manufactured by West Bend back in the 1950s. I like this oven but it takes up room in my cabin. Two years ago I started baking pizzas in my oven. I use the bottom part of a spring form baking pan for the pizza pan and it fits very well in the oven.
For the crust, I use a Pita pocket and add the sauce, cheese, and the Portuguese Linguica for the topping. I also bake my famous Narragansett Bay Clams Casino which is a recipe that was handed down by my great, great, great, grand uncle who was head bartender on the Mayflower.
My other favorite cooking utensil is a Burton Stove-Top Grill. It's great for hot dogs and toast.