According to forum posts, Kiahuna Plantation is highly recommended for its beachfront location and facilities ideal for families, offering a variety of rental options through different management companies. Travelers have also praised the Waimea Plantation Cottages for their quaint and quiet atmosphere, though it is noted they are far from island activities, making the Grand Hyatt a favored alternative for its luxury, despite its non-swimmable beach.

Some users have suggested Poipu as the best area for staying, especially during the winter months, due to its better weather and access to swimmable beaches. The South Shore, including Poipu, was highlighted for its range of activities and accommodations like Sheraton Poipu and Koa Kea Resort, which are on the beach and generally fit within a mid-range budget.

For budget-conscious travelers, several posts recommended checking out condos such as those at Prince Kuhio, which offer affordability and essential amenities like pools. Waikomo Stream Villas was also mentioned for its reasonable rates and central location in Poipu.

Some travelers have recommended Merrimans for special occasions, noting its great wine list and good food. The Beach House is also highlighted for its beautiful oceanfront setting and sunset views, making it ideal for memorable events. However, opinions on the food and service quality at The Beach House vary, with some users finding it lacking.

For those seeking a unique dining experience, Bar Acuda in Hanalei is praised for its incredible food and is often visited multiple times during a single trip. Hukilau Lanai is another recommended spot, particularly appreciated for its location and quality of service.

If the atmosphere is a priority, Happy Talk Lounge is suggested for its fun vibe, although the food is described as mediocre. AMA at the North Shore is endorsed for its delicious food and outdoor seating, offering a pleasant dining experience with a view of the mountains.

According to forum posts, Smith's Family Luau is highly recommended by many users for its tropical gardens and traditional offerings. Luau Kalamaku, located at Kilohana Plantation, is praised for its storytelling approach and theatrical elements. The Sheraton Poipu Luau also received positive mentions for its beachfront location and engaging performances.

For budget-conscious travelers, some users suggested Smith's show-only option, which excludes dinner and costs significantly less, around $15 to $25 per person. The Fire Show at Anaina Hou offers a show-only option as well, providing an exciting alternative at a lower price point compared to traditional luaus.

The Ahi Lele Fire Show at Anaina Hou, while not a traditional luau, was recommended for its unique fire performances and is considered a great family-friendly evening activity. This show is particularly noted for its convenience for travelers staying on the North Shore.

According to forum posts, Tunnels Beach and Ke’e Beach are highly recommended for snorkeling on Kauai's North Shore, especially during the summer when the waters are calmer. Anini Beach also offers good snorkeling opportunities and is mentioned as a spot with a protective reef that might allow for year-round snorkeling.

For the South Shore, travelers have called out Poipu Beach and Lawai Beach as the best spots for snorkeling. These locations are particularly viable in November when the North Shore experiences rougher seas. Another mentioned spot is the area in front of the Beach House restaurant at Lawai Beach, known for its clearer waters earlier in the day.

Some travelers noted that the snorkeling experience can vary significantly with the seasons. The North Shore beaches, while excellent in the summer, are generally not suitable for snorkeling during winter due to high surf conditions. Conversely, the South Shore beaches tend to provide more consistent year-round snorkeling opportunities.

According to forum posts, Kauai has experienced significant rental car shortages, particularly noted during the pandemic as rental agencies sold off much of their inventory. Some travelers mentioned finding no availability for short-term rentals but discovered that longer-term rentals of a week or more might show available vehicles at higher prices.

Travelers have called out that rental prices can be quite high, with weekly rates around $1,100 and dropping to approximately $900 for two-week rentals due to per day price reductions. Users suggest continuously checking rental sites for price drops and possibly booking through platforms that allow tracking and rebooking if rates decrease.

For those unable to secure a rental car, some users recommended considering private hires or exploring platforms like Turo for peer-to-peer car rentals. However, the consensus remains that having a car is almost essential for exploring Kauai efficiently and comfortably.

According to forum posts, beach equipment rentals are available across various locations in Kauai. Nukumoi Surf Company and Boss Frogs near Poipu Beach offer rentals for chairs, umbrellas, and boogie boards. Hanalei Surf Co in Hanalei provides Tommy Bahama beach chairs; although they do not offer umbrellas.

For many users, Snorkel Bobs offers beach chairs for $20 per week, but they do not rent umbrellas. Another option in Poipu is Kimos, located near Little Fish Coffee, providing convenient access for those staying nearby. Additionally, the Facebook group Pass It On - Beach Gear and More - Kauai is frequently mentioned as a resource for acquiring or passing on beach gear.

Some travelers have suggested purchasing beach equipment from local stores like Costco or Walmart if rental options are not suitable and then donating it before departure. This approach not only provides a cost-effective solution but also helps in reducing waste, ensuring beach gear can be reused by others.

According to forum posts, the Kalalau Trail to Hanakapiai Beach is a popular hiking choice in Kauai, noted for its breathtaking views. The first two miles of this trail are especially favored for a moderate hike, though reservations for parking or a shuttle are required.

For those looking for less strenuous options, the Wai Koa Loop is recommended by some travelers. This trail offers scenic views and passes through the largest mahogany forest in the U.S., making it an excellent alternative during adverse weather conditions.

For family excursions, the Mahaulepu Heritage Trail is suggested by travelers due to its ease and interesting features like a limestone cave complex and tortoise shelter. Additionally, the Kuilau Ridge Trail is appreciated for its lush scenery and birdwatching opportunities, making it ideal for children and adults alike.

Travelers have called out Kuilau Ridge, Nounou (Sleeping Giant) East Trail, and the Pihea & Alakai Swamp Trail for those seeking varied landscapes, from tropical greenery to panoramic ocean views.

According to forum posts, Hanalei Bay Resort offers access to a beach via a path that is shared with the Princeville Resort, which is under renovation. Travelers can either walk down the path or use a shuttle service to reach the beach. This path provides a convenient way for guests to enjoy beach activities.

Some travelers have mentioned that while Hanalei Bay Resort itself is not directly on a sandy beach, it is located in close proximity to several beach parks along Hanalei Bay, such as Black Pot Beach, Pavilions Beach Park, and Waioli Beach Park. These parks offer sandy beaches, restroom facilities, and, in some cases, lifeguard services, enhancing the beach-going experience for visitors.