Minnesota's Adults-Only Soaking Pool With A Swim-Up Bar And Endless Relaxation

Warm water wraps around tired shoulders while a gentle current carries you toward a floating bar in the middle of the pool. I ordered a drink without climbing out and the bartender slid it across the water like a friendly offering.

Minnesota has an adults-only soaking spot where laughter stays calm and the only splashes come from happy sighs instead of cannonballs. The pool stays open late so you can float under the stars and let the stress of the week melt away completely.

I watched a couple celebrate their anniversary with toes in the water and matching frozen cocktails in their hands. Minnesota really knows how to create a space where relaxation feels effortless and the outside world simply vanishes for a few hours.

The swim-up bar has stools right in the water so you never have to leave the warmth to order another round. I floated on my back and watched clouds drift by while the gentle jets massaged every tense muscle in my body.

The atmosphere is peaceful and the crowd is friendly and nobody is asking about bedtimes or homework here. You leave feeling lighter and looser and already planning when you can return for another float.

The Adults-Only Soaking Pool Experience

The Adults-Only Soaking Pool Experience
© Treasure Island Resort & Casino

Stepping into the adults-only soaking pool at Treasure Island feels like hitting a pause button on everything stressful. The water is warm.

The vibe is calm and unhurried.

This pool is reserved for guests 21 and older, which makes a huge difference. There are no splashing kids or loud games nearby.

Just warm water, good company, and a surprisingly peaceful atmosphere inside a busy resort.

The pool sits inside The Lagoon area, surrounded by tropical-themed decor. It has a distinct Caribbean energy that feels playful without being over the top.

The lighting is soft, and the space feels intentionally designed for relaxation rather than activity.

Guests often linger here longer than they planned. The temperature of the water is noticeably more comfortable than the family pool area.

It feels like a reward for choosing the adults section.

If you are visiting for a couples getaway or a solo escape, this pool alone is worth the trip. It is genuinely one of the most relaxing spots in the entire resort.

The Swim-Up Bar at The Lagoon

The Swim-Up Bar at The Lagoon
© Treasure Island Resort & Casino

There is something deeply satisfying about sitting in warm water while ordering a cold refreshment without ever leaving the pool. The swim-up bar at Treasure Island makes that happen.

It is one of those features that sounds fun in theory and actually delivers in person.

The bar counter sits right at the edge of the adults-only pool. You can float up, rest your arms on the ledge, and place your order.

The bartenders are friendly and keep things moving even when it gets busy on weekend afternoons.

I noticed guests staying at the bar for long stretches, chatting and unwinding in a way that felt genuinely relaxed. It has a social energy without being loud or chaotic.

The setup encourages conversation naturally.

The swim-up bar operates during select hours, mostly on weekends, so checking the schedule before your visit is smart. Arriving early on a Friday or Saturday gives you the best experience.

The combination of warm water and good service makes this spot hard to leave.

Hot Tubs Inside and Outside the Resort

Hot Tubs Inside and Outside the Resort
© Treasure Island Resort & Casino

Treasure Island offers multiple hot tubs, and that variety makes a real difference depending on your mood. There is an outdoor hot tub that feels especially magical during cooler Minnesota evenings.

Sitting in steaming water while the outside air is crisp is a genuinely memorable experience.

The indoor hot tubs are tucked within The Lagoon area. They are warm and well-maintained, offering a cozy retreat after a long day exploring the resort or trying your luck on the casino floor.

The indoor options are accessible more frequently throughout the week.

Guests have noted that the adults-only hot tub runs at a properly hot temperature, which sets it apart from the family-friendly version nearby. That distinction matters when you are looking for genuine heat therapy rather than a lukewarm soak.

The outdoor tub operates on a more limited schedule, typically on weekends. Timing your visit around those hours adds an extra layer of anticipation.

Once you are out there under the open sky, the wait feels completely worth it.

The Lagoon Waterpark Area

The Lagoon Waterpark Area
© Treasure Island Resort & Casino

The Lagoon is the heart of the resort’s water experience. It is a full indoor waterpark setup that includes a lazy river, water slides, a family pool, and the adults-only section all under one roof.

The tropical theming runs throughout, with bright colors and warm lighting that make it feel far from a typical hotel pool.

The lazy river moves at a gentle pace and loops through the space in a way that feels almost meditative. Floating along on a tube while looking up at the Caribbean-inspired ceiling is oddly relaxing.

It is a small detail that adds a lot to the overall atmosphere.

The water slides are more suited to older kids and adults than very young children. Some guests have mentioned the slides feel a bit rough, so wearing a swim shirt can help.

The experience is still fun for anyone who enjoys a bit of speed and splash.

The Lagoon is not open every day of the week. Checking the resort schedule before arrival saves frustration.

Caribbean-Themed Resort Atmosphere

Caribbean-Themed Resort Atmosphere
© Treasure Island Resort & Casino

Walking through Treasure Island feels like a small escape to somewhere sunnier. The Caribbean theme is not just cosmetic.

It runs through the architecture, the color palette, and even the way certain spaces are laid out. For a resort in rural Minnesota, that commitment to a tropical identity is genuinely impressive.

The resort sits right along the Mississippi River, which adds a natural scenic quality to the surroundings. From certain vantage points, you can see the water through the windows.

The contrast between the tropical interior and the Minnesota landscape outside is one of those quirky details that makes the place feel unique.

I found the theming most effective in the pool area, where the decor fully commits to the island concept. Palm accents, warm tones, and a relaxed layout make it easy to forget you are in the Midwest.

It creates a mental shift that helps guests actually unwind.

The overall atmosphere is lively but never overwhelming. There is always something happening, but quiet corners exist too.

Dining Options at Treasure Island

Dining Options at Treasure Island
© Treasure Island Resort & Casino

Food at Treasure Island covers a surprisingly wide range. The Tradewinds Buffet is one of the most talked-about options, offering a rotating spread of regional dishes that guests return to regularly.

The variety keeps things interesting even for multi-night stays.

Mango Bay is a casual option that works well for a quick bite between activities. The menu leans toward familiar comfort foods, and the portions are solid.

Guests with kids tend to gravitate here for its laid-back setup and approachable menu.

Tado Steakhouse earns consistent praise for its quality. Several guests have called it the highlight of their entire visit, which says a lot given everything else the resort offers.

For a special dinner, it is worth making time for.

There is also a coffee cafe and a deli-style market for lighter bites throughout the day. Having multiple food options on-site means you rarely need to leave the property for a meal.

The convenience adds real value, especially during longer stays when variety starts to matter more.

The Casino Floor and Gaming Options

The Casino Floor and Gaming Options
© Treasure Island Resort & Casino

The casino at Treasure Island is massive. Walking onto the floor for the first time, the sheer scale of the machine selection is the first thing you notice.

There are hundreds of options ranging from classic-style machines to newer digital setups. Finding something that suits your style does not take long.

There is a clearly marked no-smoking section that guests consistently appreciate. The fresh air side of the casino feels noticeably cleaner and more comfortable for extended visits.

It is a thoughtful layout decision that makes a real difference.

Table games and bingo round out the gaming options. The bingo hall draws a dedicated crowd.

Staff members across the floor are described by many guests as genuinely helpful and approachable, which keeps the experience feeling welcoming rather than transactional.

The casino is open and active most days, drawing visitors from the Twin Cities area and beyond. It is roughly 45 minutes from Minneapolis, making it an easy day trip or weekend escape.

Hotel Rooms and the New Buffalo Tower

Hotel Rooms and the New Buffalo Tower
© Treasure Island Resort & Casino

The resort has gone through some notable room updates in recent years. The new Buffalo Tower stands out as the most polished accommodation option on the property.

Guests who have stayed there describe it as spacious, modern, and genuinely comfortable in a way that feels different from the older sections.

One feature that keeps coming up in guest conversations is the rainfall shower. It adds a spa-like quality to the room experience that elevates an otherwise standard hotel stay.

The bathroom design in the newer rooms feels thoughtfully done, with clean tile work and quality lighting.

Standard rooms include cable TV and coffeemakers. Upgraded rooms add flat-screen TVs, minifridges, and microwaves.

Suites take things further with kitchenettes, separate sitting areas, and whirlpool tubs, making them a strong choice for longer stays.

Some guests have noted that room quality varies depending on which tower you book. Requesting a room in the newer section when making a reservation is a practical tip.

Bowling, Arcades, and Family-Friendly Activities

Bowling, Arcades, and Family-Friendly Activities
© Treasure Island Resort & Casino

Not everyone at Treasure Island is there for the casino or the pool. The resort has built out a solid set of activities that give families and non-gamblers plenty to do.

Bowling is one of the most popular, drawing guests of all ages throughout the day and into the evening.

The arcade area sits nearby and keeps younger visitors busy for hours. Multiple guests with kids have mentioned that the combination of bowling and arcade games made the trip worthwhile on its own.

It adds real energy to the resort beyond the pool and gaming floor.

Having these options under one roof is part of what makes Treasure Island feel like a full destination rather than just a casino with a hotel attached. You can move between activities without ever stepping outside, which is particularly appreciated during Minnesota winters.

The arcade machines are a mix of classic and modern styles. Kids tend to gravitate toward the newer games, while adults sometimes linger on the retro options.

Location, Access, and Practical Tips for Visiting

Location, Access, and Practical Tips for Visiting
© Treasure Island Resort & Casino

Treasure Island sits along the Mississippi River in Welch, Minnesota, about 45 minutes southeast of the Twin Cities. The drive is straightforward and scenic, passing through rolling Minnesota countryside before the resort comes into view.

There is a gas station right next to the property, which is a small but genuinely convenient detail.

Parking is free and plentiful. Security patrols the lot regularly, which adds a layer of comfort for guests leaving their vehicles overnight.

The resort is also accessible and offers an airport shuttle for guests flying in from a distance.

A few practical things to know before arriving: the pool area requires a wristband or passport obtained at check-in. Asking for this during the check-in process saves a separate trip later.

The Lagoon operates on limited hours during weekdays and does not open on Mondays and Tuesdays.

Address: Treasure Island Resort and Casino, 5734 Sturgeon Lake Rd, Welch, MN 55089

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